10 Best Smart Switches with Motion Sensors for 2027

Smart switches with motion sensors can automate lights at the wall, but the right pick depends on wiring, voice assistant support, and whether you need dimming or multiway control. I rank the Leviton Decora Smart Wi-Fi Motion-Sensing Dimmer as the best overall for its combination of smart controls and dimming. The Kasa KS200M is a straightforward Wi-Fi choice, while the Enbrighten Z-Wave switch suits homes already built around a Z-Wave hub. The main tradeoff is between simple setup and broader system compatibility, with wiring requirements narrowing the options further. Read on for the full breakdown, including which switch fits different rooms and installations.

For listenersOffer from Amazon

Turn the school run and nap time into listening time

• Thousands of audiobooks, podcasts and originals
• Listen on your phone, tablet or Echo — also offline
• Cancel anytime

Try Audible free →Free trial for new members

As an affiliate, we earn on qualifying purchases.Hide

Complete the kit

Momcozy Universal Stroller Organizer with Insulated Cup H…

Add to your setup →

Stroller Organizer with Cup Holder, Non-Slip Stroller Cad…

Add to your setup →

Accmor Universal Stroller Organizer with Insulated Cup Ho…

Add to your setup →

Key Takeaways

• The Leviton D2MSD-1RW leads for feature balance: its motion sensing and dimming make it a stronger fit for rooms where adjustable light levels matter than a basic on/off sensor switch.
• Kasa’s KS200M is the simpler Wi-Fi route: it suits buyers who want motion-triggered switching without adding a hub, though the listed lineup repeats this model and does not represent two distinct choices.
• Hub preference changes the shortlist: Enbrighten is the Z-Wave option here, while the Kasa, Leviton, Amazon Basics, and other Wi-Fi-listed models point toward a Wi-Fi-based setup.
• Not every motion product replaces a wall switch: the Lutron Caseta listing is a wireless occupancy sensor, so buyers should distinguish it from an in-wall switch before choosing.
• Installation fit matters as much as automation: single-pole, 3-way, and neutral-wire requirements vary across the lineup, so checking the existing circuit can rule out an otherwise appealing pick.

Our Top Smart Switches With Motion Sensors Picks

Amazon Basics Smart Motion Sensor Dimmer Switch, 3-Way, Alexa Compatible		Best for Alexa-Only 3-Way Dimming	Model: HPD-A321N-WB	Connectivity: 2.4 GHz Wi-Fi	Compatibility: Amazon Alexa	VIEW ON AMAZON	See Our Full Breakdown
Leviton Decora Smart Wi-Fi Motion-Sensing Dimmer, 2nd Gen, D2MSD-1RW, White		Best for Multi-Platform Homes	Model: D2MSD-1RW	Operating voltage: 120 V	Switch type: Dimmer	VIEW ON AMAZON	See Our Full Breakdown
Enbrighten Z-Wave In-Wall Smart Motion Sensor Switch		Best for Adjustable Z-Wave Automation	Connectivity: Z-Wave	Power source: Corded electric	Wiring requirement: Neutral wire required	VIEW ON AMAZON	See Our Full Breakdown
Kasa Smart Wi-Fi Motion Sensor Switch KS200M, Single Pole		Best Straightforward Wi-Fi On/Off Switch	Model: KS200M	Switch type: Single pole	Connectivity: 2.4 GHz Wi-Fi	VIEW ON AMAZON	See Our Full Breakdown
Kasa Smart Wi-Fi Motion Sensor Switch KS200M, Single Pole		Best for Kasa Routines and Ambient-Light Control	Model: KS200M	Switch type: Single-pole, on/off	Motion detection: Turns lights on with motion and off after a preset time	VIEW ON AMAZON	See Our Full Breakdown
Smart Radar Motion Sensor Light Switch, Single-Gang, 2.4 GHz Wi-Fi		Best for Adjustable Radar Sensing	Switch configuration: Single pole, 1-way	Motion detection: Up to 5 m; 120° field of view	Auto shutoff delay: 5 seconds to 24 hours	VIEW ON AMAZON	See Our Full Breakdown
Kasa Smart Motion Sensor Dimmer Switch, ES20M		Best for Smart-Home Integration	Model and configuration: ES20M; single-pole, 1-way	Dimming range: 1%–100%	Maximum load: 300 W incandescent; 150 W CFL/LED	VIEW ON AMAZON	See Our Full Breakdown
Kasa Smart Motion Sensor Dimmer Switch ES20M, Single-Pole, Neutral Wire Required		Best for Daylight-Aware Dimming	Model and switch type: ES20M; single-pole dimmer	Brightness range: 1%–100%	Maximum load: 300 W incandescent; 150 W dimmable LED	VIEW ON AMAZON	See Our Full Breakdown
MOES Smart Motion Sensor Switch Single Pole		Best for Daylight-Sensing On/Off Control	Model: WS-KX-US1-PIR-WH-MS	Switch configuration: Single pole	Operating voltage: 125 V	VIEW ON AMAZON	See Our Full Breakdown
Lutron Caseta Smart Lighting Auto On/Off Wireless Occupancy Motion Sensor		Best Wireless Retrofit	Power source: One included CR123A lithium battery	Battery life: About 87,600 hours, or approximately 10 years	Maximum range: 50 feet; control described up to 60 feet	VIEW ON AMAZON	See Our Full Breakdown

More Details on Our Top Picks

1. Amazon Basics Smart Motion Sensor Dimmer Switch, 3-Way, Alexa Compatible

   

   Best for Alexa-Only 3-Way Dimming

   View on Amazon

   The Amazon Basics Smart Motion Sensor Dimmer suits Alexa households that want motion-triggered lighting and dimming on a 3-way circuit without adding a hub. Its direct 2.4 GHz Wi-Fi connection and Alexa app support keep setup and everyday control within one ecosystem. Compared with the Leviton Decora Smart Wi-Fi Motion-Sensing Dimmer, it is less flexible: Leviton supports more platforms, while this switch focuses on Alexa. That narrower compatibility may be a plus if you prefer a single-app setup, but it rules out buyers who want Google Assistant, Apple Home, or SmartThings control. The neutral-wire requirement also limits installation in some older homes, and the supplied details do not specify adjustable motion settings. Choose it for straightforward Alexa-based 3-way dimming, not cross-platform smart-home flexibility.

   Pros:

   • Combines motion-triggered operation with dimming on a 3-way switch
   • Connects to 2.4 GHz Wi-Fi without a separate hub
   • Supports Alexa app remote control and scheduling
   • Guided installation steps are included in the manual

   Cons:

   • Works exclusively with Amazon Alexa
   • Requires a neutral wire, which some older homes lack

   Best for: Alexa households with a neutral wire that need motion-triggered dimming on a 3-way lighting circuit.

   Not ideal for: Buyers using Google Assistant, Apple Home, or SmartThings, and owners of older switch boxes without a neutral wire.

   • Model:HPD-A321N-WB
   • Connectivity:2.4 GHz Wi-Fi
   • Compatibility:Amazon Alexa
   • Switch type:3-way dimmer
   • Operating voltage:120 V
   • Wiring requirement:Neutral wire required
   • Material:Plastic with copper contacts
   • Certification:ETL Listed
   Our verdict

   “Choose this for Alexa-based motion dimming on a 3-way circuit; choose the Leviton Decora instead if you need broader smart-home compatibility.”

   → See it on Amazon →

2. Leviton Decora Smart Wi-Fi Motion-Sensing Dimmer, 2nd Gen, D2MSD-1RW, White

   

   Best for Multi-Platform Homes

   View on Amazon

   The Leviton Decora Smart Motion-Sensing Dimmer is the most adaptable dimmer here for households that use more than one smart-home platform. Motion and ambient light sensing can bring lights on when needed while avoiding activation in already-bright conditions; full-range dimming adds control that the on/off Kasa KS200M switches do not provide. It also supports single-pole, 3-way, and multi-way setups, making it a stronger fit for varied wiring arrangements than those single-pole Kasa models. The tradeoff is a more demanding installation: it needs both a neutral wire and 2.4 GHz Wi-Fi. Buyers seeking a simpler on/off motion switch may not need its platform breadth or dimming functions. For mixed ecosystems and multi-way dimming, though, its compatibility makes it the standout choice.

   Pros:

   • Works with multiple smart-home platforms and voice assistants
   • Motion and ambient light sensing can reduce needless daytime activation
   • Full-range dimming offers more lighting control than the Kasa KS200M
   • Supports single-pole, 3-way, and multi-way circuits

   Cons:

   • Requires a neutral wire
   • Requires a 2.4 GHz Wi-Fi network

   Best for: Households mixing Alexa, Google Assistant, Apple Home, SmartThings, or Matter that want motion sensing, dimming, and multi-way control.

   Not ideal for: Buyers who only need basic on/off motion switching or lack a neutral wire and 2.4 GHz Wi-Fi.

   • Model:D2MSD-1RW
   • Operating voltage:120 V
   • Switch type:Dimmer
   • Circuit types:Single-pole, 3-way, and multi-way
   • Connectivity:2.4 GHz Wi-Fi
   • Smart-home compatibility:My Leviton, Alexa, Google Assistant, Apple Home/Siri, SmartThings, and Matter
   • Wiring requirement:Neutral wire required
   • Warranty:2-year limited
   Our verdict

   “Pick the Leviton for flexible, motion-aware dimming across smart-home platforms, especially where multi-way wiring matters.”

   → See it on Amazon →

3. Enbrighten Z-Wave In-Wall Smart Motion Sensor Switch

   

   Best for Adjustable Z-Wave Automation

   View on Amazon

   The Enbrighten Z-Wave In-Wall Switch is the pick for buyers who want to tune motion behavior rather than rely on a basic automatic on/off routine. Its occupancy, vacancy, and manual modes let a room turn on automatically, require a manual turn-on while switching off after the room empties, or stay under manual control. Adjustable sensitivity and timeout settings—from 5 seconds to 30 minutes—give it more control over detection behavior than the listed Kasa KS200M, whose description focuses on preset shutoff timing. That flexibility comes with a different setup burden: Enbrighten needs a compatible Z-Wave hub and neutral wire, whereas the Kasa connects directly over Wi-Fi. It also lacks the listed dimming function, so it is better for configurable switching than adjustable brightness.

   Pros:

   • Offers occupancy, vacancy, and manual operating modes
   • Timeout can be set from 5 seconds to 30 minutes
   • Three motion-sensitivity levels allow detection adjustments
   • Includes white and light almond button covers

   Cons:

   • Requires a compatible Z-Wave hub and a neutral wire
   • No dimming capability is listed
   • Z-Wave setup is less direct than the Wi-Fi Kasa KS200M

   Best for: Z-Wave users who want selectable occupancy or vacancy behavior and control over motion sensitivity and shutoff timing.

   Not ideal for: Buyers without a compatible Z-Wave hub, shoppers who want Wi-Fi setup without a hub, or anyone seeking dimming.

   • Connectivity:Z-Wave
   • Power source:Corded electric
   • Wiring requirement:Neutral wire required
   • Timeout options:5 seconds to 30 minutes
   • Motion sensitivity:3 levels
   • Maximum range:Up to 150 feet
   • Operating modes:Occupancy, vacancy, and manual
   • Included button covers:White and light almond
   Our verdict

   “Choose Enbrighten if you already have a Z-Wave hub and want finer control of occupancy behavior rather than Wi-Fi simplicity or dimming.”

   → See it on Amazon →

4. Kasa Smart Wi-Fi Motion Sensor Switch KS200M, Single Pole

   

   Best Straightforward Wi-Fi On/Off Switch

   View on Amazon

   The Kasa KS200M keeps motion-based lighting simple: it turns connected lights on when motion is detected and off after a preset time, with daylight detection available to help avoid unnecessary daytime switching. It is a practical fit for single-pole rooms where on/off control is enough, and its app and voice-assistant support make it easier to manage than a conventional sensor switch. Compared with the Leviton Decora, the KS200M gives up dimming and multi-way support; in return, its feature set is more focused on routine motion control. It also lacks the Enbrighten switch’s listed sensitivity and timeout adjustments. Installation still depends on a neutral wire and 2.4 GHz Wi-Fi, so check the switch box and network before choosing it.

   Pros:

   • Automatically switches lights using motion detection
   • Daylight detection can limit activation when the room is already bright
   • Supports Kasa app control and compatible voice assistants
   • Lists load capacities for several common lighting types

   Cons:

   • Single-pole on/off switch, not a dimmer or multi-way option
   • Requires a neutral wire and 2.4 GHz Wi-Fi

   Best for: Buyers adding basic motion-triggered on/off lighting to a single-pole room who want app, voice, and daylight-aware control.

   Not ideal for: Households needing dimming, 3-way or multi-way wiring, Z-Wave automation, or installation without a neutral wire.

   • Model:KS200M
   • Switch type:Single pole
   • Connectivity:2.4 GHz Wi-Fi
   • Wiring requirement:Neutral wire required
   • Incandescent/halogen load:600 W
   • CFL/MLV/ELV load:300 W
   • Voice assistant compatibility:Amazon Alexa, Google Assistant, and Samsung SmartThings
   • Certification and warranty:UL certified; 2-year warranty
   Our verdict

   “Choose the KS200M for uncomplicated Wi-Fi motion switching in a single-pole room; select the Leviton if you need dimming or multi-way operation.”

   → See it on Amazon →

5. Kasa Smart Wi-Fi Motion Sensor Switch KS200M, Single Pole

   

   Best for Kasa Routines and Ambient-Light Control

   View on Amazon

   This Kasa KS200M listing describes the same single-pole, on/off model as the other KS200M in this roundup, so I would not treat it as a separate hardware upgrade. Its stated strengths are motion and ambient light sensing, customizable shutoff timing, and Kasa smart actions alongside app and voice control. That makes it a sensible match for buyers who want routines tied to motion, while the near-identical KS200M listing B099KGWGQM also specifies load limits and mentions guided setup. Neither version offers the dimming or multi-way flexibility of the Leviton Decora. This Kasa requires a neutral wire and 2.4 GHz Wi-Fi, and its description names Alexa and Google Assistant for voice control. Check listing details carefully, since the two supplied entries overlap substantially.

   Pros:

   • Uses motion and ambient light sensing for automatic switching
   • Customizable shutoff timing supports different room routines
   • Works with Kasa smart actions and app control
   • Lists UL certification and a 2-year warranty

   Cons:

   • Appears to be the same KS200M model as listing B099KGWGQM, not a distinct feature tier
   • Single-pole on/off operation does not provide dimming or multi-way control
   • Requires a neutral wire and 2.4 GHz Wi-Fi

   Best for: Kasa users seeking a single-pole motion switch with ambient-light detection, adjustable shutoff timing, and smart-action routines.

   Not ideal for: Buyers seeking a distinct alternative to the other KS200M listing, dimming, multi-way switching, or a switch that works without neutral wiring.

   • Model:KS200M
   • Switch type:Single-pole, on/off
   • Motion detection:Turns lights on with motion and off after a preset time
   • Ambient light detection:Can prevent lights turning on during daylight
   • Maximum load:600 W incandescent/halogen; 300 W CFL/MLV/ELV
   • Operating voltage:AC 100–125 V, 50/60 Hz
   • Connectivity and wiring:2.4 GHz Wi-Fi; neutral wire required
   • Compatibility and certification:Alexa, Google Assistant, Samsung SmartThings, and Kasa devices; UL certified
   • Warranty:2 years
   Our verdict

   “Choose this listing only if its stated Kasa routines and ambient-light features fit your needs, and compare it closely with the other KS200M before deciding.”

   → See it on Amazon →

6. Smart Radar Motion Sensor Light Switch, Single-Gang, 2.4 GHz Wi-Fi

   

   Best for Adjustable Radar Sensing

   View on Amazon

   This switch stands out for buyers who want control over both motion sensitivity and how long lights stay on. Its radar sensor covers up to 5 meters across a 120° field, and the shutoff delay ranges from five seconds to 24 hours, making it adaptable to quick trips or rooms where people stay for longer stretches. Compared with the MOES Smart Motion Sensor Switch, it offers a specified sensing field and a wider documented delay range, while MOES lists daylight detection. App control through Smart Life or Tuya and Alexa or Google Assistant support add remote operation, but the required neutral wire and 2.4 GHz Wi-Fi limit where it can be installed. Radar sensing also has practical boundaries: walls block detection, and glass can reduce range. I’d choose it for a suitable single-pole location where flexible timing matters more than daylight sensing.

   Pros:

   • Adjustable motion sensitivity and a five-second-to-24-hour shutoff delay suit different room routines.
   • Specified detection range of up to 5 meters and 120° field of view help buyers gauge placement.
   • Works with Smart Life, Tuya, Alexa, and Google Assistant, with schedules and alarm mode.
   • Slim wall-mounted design uses flame-retardant PC plastic.

   Cons:

   • Requires both a neutral wire and a 2.4 GHz Wi-Fi network.
   • Walls block detection, while glass can reduce sensing range.
   • The listed single-pole, 1-way configuration does not suit multi-location lighting.

   Best for: Homeowners with a neutral wire who want to tune motion sensitivity and shutoff timing for a single-pole light circuit.

   Not ideal for: People who need a switch for a 3-way circuit, lack a neutral wire, use only 5 GHz Wi-Fi, or need reliable sensing through walls or glass.

   • Switch configuration:Single pole, 1-way
   • Motion detection:Up to 5 m; 120° field of view
   • Auto shutoff delay:5 seconds to 24 hours
   • Maximum power:1200 W
   • Voltage:100–240 V input; 110 V operating voltage
   • Connectivity and control:2.4 GHz Wi-Fi; Smart Life, Tuya, Alexa, Google Assistant
   • Wiring:Neutral wire required
   • Dimensions and material:2.36 × 0.79 × 1.97 inches; flame-retardant PC plastic
   • Certifications:UL and FCC
   Our verdict

   “Choose this switch if adjustable radar sensing and a broad shutoff-delay range matter more than daylight detection or multi-way wiring.”

   → See it on Amazon →

7. Kasa Smart Motion Sensor Dimmer Switch, ES20M

   

   Best for Smart-Home Integration

   View on Amazon

   The Kasa ES20M is a strong fit for buyers who want a motion-sensing switch that can also dim lights and respond to ambient brightness. Motion can trigger the light, while daylight sensing helps avoid switching it on when a room is already bright; adjustable brightness gives it more flexibility than the on/off-only MOES Smart Motion Sensor Switch. Its compatibility with Kasa, Alexa, Google Assistant, and SmartThings also gives it a broader stated control mix than the Smart Radar switch. The tradeoff is installation flexibility: this is a single-pole dimmer, not a solution for 3-way or multi-location wiring, and it needs a neutral wire plus 2.4 GHz Wi-Fi. The load limits also vary by bulb type, so buyers should check their lighting before choosing it. I’d rank it for connected homes where dimming and daylight-aware automation matter more than multi-way support.

   Pros:

   • Motion and ambient-light sensors can automate lights while avoiding unnecessary daytime activation.
   • Dimming from 1% to 100% offers finer control than an on/off motion switch.
   • Supports Kasa, Alexa, Google Assistant, and Samsung SmartThings.
   • UL certified and backed by a two-year warranty.

   Cons:

   • Single-pole only; it cannot replace a 3-way or multi-location switch.
   • Requires a neutral wire and 2.4 GHz Wi-Fi.
   • Maximum load differs by bulb type: 300 W incandescent or 150 W CFL/LED.

   Best for: Smart-home households with a neutral wire and single-pole lighting who want motion automation, daylight response, dimming, and SmartThings support.

   Not ideal for: Buyers with 3-way or multi-location wiring, no neutral wire, or lighting loads beyond the listed incandescent and CFL/LED limits.

   • Model and configuration:ES20M; single-pole, 1-way
   • Dimming range:1%–100%
   • Maximum load:300 W incandescent; 150 W CFL/LED
   • Operating voltage:120 V AC
   • Connectivity:2.4 GHz Wi-Fi
   • Control compatibility:Kasa app, Amazon Alexa, Google Assistant, Samsung SmartThings
   • Wiring:Neutral wire required
   • Certification and warranty:UL certified; 2 years
   Our verdict

   “Pick the ES20M when you want a motion-sensing dimmer with daylight response and broad smart-home compatibility on a single-pole circuit.”

   → See it on Amazon →

8. Kasa Smart Motion Sensor Dimmer Switch ES20M, Single-Pole, Neutral Wire Required

   

   Best for Daylight-Aware Dimming

   View on Amazon

   This listing describes the Kasa ES20M, so its core appeal is the same practical combination of motion activation, ambient-light sensing, and 1%–100% dimming found in the other ES20M entry. For a buyer choosing between these two listings, the supplied data here states a 100–125 V AC operating range and specifies a 150 W limit for dimmable LED loads; the other listing gives 120 V AC and groups its 150 W limit under CFL/LED. That makes checking the exact load and installation details especially useful rather than assuming the listings are identical. Against the MOES switch, this Kasa option adds dimming, while MOES’s listed strengths include adjustable sensitivity and time delay. The Kasa remains limited to single-pole wiring, a neutral wire, and 2.4 GHz Wi-Fi, so it is not a fix for multi-way circuits.

   Pros:

   • Ambient-light sensing can keep lights off when daylight is sufficient.
   • Motion-triggered operation and timed shutoff reduce the need to operate the switch manually.
   • Brightness adjusts across a 1%–100% range.
   • Supports Kasa app control, Alexa, Google Assistant, and SmartThings.

   Cons:

   • Only supports single-pole installations, not 3-way or multi-location setups.
   • Requires a neutral wire and 2.4 GHz Wi-Fi.
   • The listed 150 W dimmable LED limit calls for checking the connected load before installation.

   Best for: Buyers replacing a single-pole switch who want a dimmable, motion-activated light and daylight sensing, and who can verify their LED load against the stated limit.

   Not ideal for: Households with 3-way wiring, no neutral wire, a 5 GHz-only network, or non-dimmable bulbs and loads that exceed the listed rating.

   • Model and switch type:ES20M; single-pole dimmer
   • Brightness range:1%–100%
   • Maximum load:300 W incandescent; 150 W dimmable LED
   • Operating voltage:100–125 V AC
   • Connectivity:2.4 GHz Wi-Fi
   • Voice assistant compatibility:Amazon Alexa, Google Assistant, Samsung SmartThings
   • Wiring:Neutral wire required
   • Certification and warranty:UL certified; 2 years
   Our verdict

   “Choose this ES20M listing for daylight-aware motion dimming on a compatible single-pole circuit, after checking the stated load and voltage details.”

   → See it on Amazon →

9. MOES Smart Motion Sensor Switch Single Pole

   

   Best for Daylight-Sensing On/Off Control

   View on Amazon

   The MOES switch suits buyers who want occupancy-based on/off lighting with daylight detection, adjustable sensitivity, and a configurable delay. Its daylight sensor can help prevent lights from coming on when natural light is enough, a feature the Smart Radar switch description does not list. Unlike the Kasa ES20M, though, MOES is not presented as a dimmer: it automates switching rather than letting you set brightness from 1% to 100%. Tuya Smart Life, Alexa, and Google Assistant provide remote and voice control, while standard wall-plate compatibility may simplify fitting it into an existing setup. The listed 1650 W rating is higher than the Smart Radar switch’s 1200 W maximum, but the product data does not specify a dimming range or sensing distance. It still needs a neutral wire and 2.4 GHz Wi-Fi, so it’s best for compatible single-pole circuits where daylight-aware switching matters more than brightness control.

   Pros:

   • Daylight detection can reduce unnecessary lighting during bright daytime hours.
   • Adjustable sensitivity and time delay let buyers tailor occupancy response.
   • Works with Tuya Smart Life, Alexa, and Google Assistant.
   • Listed 1650 W wattage capacity and standard wall-plate compatibility.

   Cons:

   • Requires a neutral wire and 2.4 GHz Wi-Fi.
   • No dimming range is specified, unlike the Kasa ES20M dimmers.
   • The supplied product data does not state a motion-detection range.

   Best for: Homeowners with a neutral-wire single-pole circuit who want daylight-aware motion switching and app or voice control without needing dimming.

   Not ideal for: Buyers who need adjustable brightness, a documented sensing distance, multi-location switching, or installation without a neutral wire.

   • Model:WS-KX-US1-PIR-WH-MS
   • Switch configuration:Single pole
   • Operating voltage:125 V
   • Wattage:1650 W
   • Connectivity:2.4 GHz Wi-Fi
   • Compatibility:Tuya Smart Life app, Amazon Alexa, Google Assistant
   • Wiring:Neutral wire required
   • Dimensions and material:4.92 × 1.15 × 1.38 inches; plastic
   • Certifications and warranty:FCC, ETL; 2 years
   Our verdict

   “Choose MOES for daylight-aware, app-connected on/off automation when dimming and a published detection range are not priorities.”

   → See it on Amazon →

10. Lutron Caseta Smart Lighting Auto On/Off Wireless Occupancy Motion Sensor

    

    Best Wireless Retrofit

    View on Amazon

    Unlike the in-wall switches elsewhere in this roundup, the Lutron Caseta sensor is a wireless occupancy controller that can be mounted on a wall or placed freestanding. That makes it the clearest choice for buyers who cannot or do not want to add a neutral-wire switch. It can control compatible Caseta dimmers, switches, fan controls, and shades within the stated range, while its replaceable CR123A battery is rated for about ten years of average life. The tradeoff is ecosystem dependence: unlike the Kasa ES20M, it is not presented as a Wi-Fi switch with direct Alexa, Google Assistant, or SmartThings compatibility, and full functionality requires a Lutron Caseta Smart Hub. Its listed range is 50 feet, with control described up to 60 feet, so large or obstructed spaces may need careful placement. I’d choose it for a Caseta home seeking a wiring-free retrofit, not as a standalone wall-switch replacement.

    Pros:

    • Wireless mounting avoids in-wall wiring and neutral-wire requirements.
    • CR123A battery is specified for about ten years of average life.
    • Can control compatible Caseta dimmers, switches, fan controls, and shades.
    • Wall mounting or freestanding placement gives flexibility for sensor positioning.

    Cons:

    • Full functionality requires a Lutron Caseta Smart Hub.
    • Compatibility is limited to listed Caseta devices rather than a broad mix of brands.
    • The stated 50-foot maximum range and up-to-60-foot control description may not suit large or obstructed spaces.

    Best for: Caseta households that want to add occupancy control without rewiring, especially where a wall-mounted or freestanding sensor can control existing compatible devices.

    Not ideal for: Buyers without a Caseta system or Smart Hub, people seeking a direct Wi-Fi in-wall switch, or anyone who needs broad non-Lutron device compatibility.

    • Power source:One included CR123A lithium battery
    • Battery life:About 87,600 hours, or approximately 10 years
    • Maximum range:50 feet; control described up to 60 feet
    • Compatible devices:Caseta dimmers, switches, fan controls
    • Mounting:Wall mount or freestanding placement
    • Dimensions:1.35 × 1.8 × 4.35 inches
    • Operating temperature:32–104 °F
    • Weight:0.09 kg
    Our verdict

    “Pick this sensor if you already use Caseta and want a long-life, wiring-free occupancy control point rather than an in-wall smart switch.”

    → See it on Amazon →

How We Picked

I ranked these products by how well they answer the specific need for motion-based lighting at a switch, then weighed smart-home connectivity, switching and dimming functions, and stated installation requirements. I gave more weight to options that combine useful automation with flexible everyday control, while noting when a product depends on a hub, is limited to a particular circuit, or is a sensor rather than an in-wall switch.

The ordering reflects distinct buyer needs rather than a claim that every model is interchangeable. A capable dimmer can rank ahead of a basic on/off switch for rooms where light-level control matters; a simpler Wi-Fi switch can make more sense for a buyer who wants fewer system dependencies. I also treated duplicate KS200M and ES20M entries as listed variants, not as evidence of separate performance. Where product details do not establish a feature or compatibility, I avoid assuming it.

Factors to Consider When Choosing Smart Switches With Motion Sensors

Before choosing a model, I would check the circuit and the way you want lights to behave, not just the app or voice-assistant label. These broader checks can prevent buying a switch that does not fit the wall box, wiring, or household routine.

Match the Switch to the Circuit

Start by identifying whether the light is controlled from one wall location or from two or more locations. A single-pole switch is not automatically a replacement for a 3-way setup, and products that support one arrangement may not support the other. Check the product’s wiring diagram and installation instructions against the existing circuit before ordering. Neutral-wire requirements also matter: older homes may not have a neutral conductor in every switch box. If the wiring is unclear, pause and ask a qualified electrician rather than relying on the product name. This check is more useful than choosing by app features first because an incompatible circuit rules out the switch outright.

Choose Wi-Fi or a Hub-Based System

A Wi-Fi switch can be appealing when you want to avoid adding a dedicated smart-home hub, but it still depends on a suitable home network and the maker’s supported integrations. A Z-Wave model is a better match when your home already has a compatible controller and you want lighting devices on that system. Avoid buying a hub-dependent switch before confirming that your hub supports the device and the automations you want. Also check whether remote control, voice commands, and motion settings work through the same app or require separate setup. The broader tradeoff is convenience now versus how easily the switch fits into a larger smart-home plan later.

Decide Whether You Need Dimming

Motion-triggered on/off control is enough for a pantry or utility area, but it can feel abrupt in a bedroom, hallway, or living space. A dimmer lets you set a lower level for late-night movement and a brighter level for regular use, though it adds another compatibility check. Confirm that the bulbs are dimmable and that their type is supported by the switch. Mixing incompatible bulbs and dimmers can lead to flicker or limited adjustment. If you only need lights to turn on and off, a basic switch may be easier to select and configure.

Plan Sensor Placement and Room Behavior

A switch-mounted sensor only detects movement within its field of view, so its location can affect whether the lights respond when someone enters or remains in the room. Doorways, cabinets, and furniture can block detection, while a busy corridor may trigger lights more often than wanted. Think about whether you need occupancy-style behavior, where presence keeps lights on, or vacancy-style behavior, where a person must manually turn lights on and the sensor handles shutoff. Review available timeout and sensitivity settings before purchase rather than assuming every model offers the same controls. For a room with awkward sightlines, a separate wireless sensor may be a better layout than an in-wall sensor alone.

Check What Happens When the Network Is Down

Smart features are only part of a wall switch’s job: household members still need predictable local control. Look for clear information about manual operation and whether motion automation continues if the internet or smart-home service is unavailable. A Wi-Fi outage and a home internet outage are not always the same, so read the maker’s notes rather than assuming every automation stops or continues. Consider who uses the room and whether an app is a practical way to change settings for everyone. For frequently used spaces, straightforward controls and dependable local behavior can matter more than adding another remote feature.

Compare the Full Installation and Ownership Effort

Some installations are simple replacements, while others involve multiway wiring, hub pairing, app setup, or adjustments to motion timing. Check box depth and the number of conductors in the wall box, especially if several wires or existing smart devices are already crowded there. Think about ongoing upkeep too: firmware updates, app accounts, and maintaining a compatible hub can add work beyond the initial installation. A slightly more capable switch may be worth that effort in a main living area, while a basic model can be a better fit for a small utility room. Count setup and compatibility as part of the choice, not as afterthoughts.

Frequently Asked Questions

Can I replace a 3-way switch with any smart motion switch?

No. A switch must support the circuit arrangement in your wall, and many motion-sensing smart switches are designed for single-pole use. A 3-way circuit usually has control points at two locations, so check the manufacturer’s wiring instructions and supported companion-switch setup before buying. The Amazon Basics listing explicitly identifies 3-way support, but that does not mean every other model in this lineup shares it. If the circuit is unfamiliar, have an electrician identify it before installation.

Do I need a neutral wire for a smart motion switch?

It depends on the model, so there is no safe assumption across this category. The listed Kasa ES20M variant specifically requires a neutral wire, while other product listings may have different wiring rules. Turn off power before inspecting the box, and do not treat wire color alone as proof of function. Check the manufacturer’s diagram for the exact model and revision. If your switch box lacks a neutral or you cannot identify the conductors, choose a compatible product or consult an electrician.

Should I choose a smart switch or a separate wireless motion sensor?

An in-wall switch combines the sensor and light control at one location, which can keep a simple room setup tidy. A separate wireless sensor can be placed where it has a clearer view, which helps when the switch is hidden behind a door or the room has an unusual layout. The Lutron Caseta item in this lineup is listed as a wireless occupancy sensor, not as a direct in-wall switch replacement, so verify what else is needed to control the lights. Decide based on sensor placement and the existing lighting system, not just the word “motion” in the product title. Also check whether the sensor communicates with your switch or hub.

Will a motion-sensing dimmer work with my existing LED bulbs?

Only if the bulbs are dimmable and compatible with that particular dimmer. A bulb marked dimmable can still behave poorly with some switches, including flicker, buzzing, or a narrow dimming range. Check the switch’s compatibility information and the bulb maker’s specifications before installing a whole room’s worth. If you do not need adjustable light, a non-dimming motion switch avoids that extra compatibility question. Test one compatible bulb first when practical, then expand the setup.

Can these switches automate lights without internet access?

That depends on the switch, its local controls, and whether its motion rules rely on cloud services or a hub. A Wi-Fi label alone does not tell you which functions continue during an internet outage, and a Z-Wave setup still depends on a compatible controller for smart automations. Check the manufacturer’s documentation for offline behavior, including manual switching and motion response. If outage behavior matters in a hallway or entry, prioritize a clearly documented local control path. Do not assume app access and automatic operation have identical network requirements.

Conclusion

For the broadest mix of motion sensing and adjustable light control, I would start with the Leviton Decora Smart Wi-Fi Motion-Sensing Dimmer as best overall. The Kasa KS200M is my best-value direction for buyers seeking a straightforward Wi-Fi on/off switch, while the Enbrighten Z-Wave switch is the better fit for a home already using a compatible Z-Wave hub. Beginners should compare the Kasa option first, then verify circuit and wiring requirements before purchase; the easiest app setup cannot compensate for an incompatible wall box. For specific needs, choose the Amazon Basics model when its stated 3-way support matches your circuit, or consider the Lutron Caseta sensor when a separate wireless occupancy sensor suits the room better than an in-wall switch. The best choice is the one that matches your wiring, lighting behavior, and existing smart-home system—not simply the longest feature list.