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Small Motion Sensors

A motion sensor is a device that triggers an action when it detects that something has moved. It's an important part of your home security system, and it can also be used to protect your pets and children. Browse the top-ranked list of small motion sensors below along with associated reviews and opinions. 

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  1. SimpliSafe - Motion Sensor - White

    SKU: J362VFS82G

    Motion Sensor...I am thinking about adding a glass breakage sensor and two additional water sensors for underneath my kitchen and bathroom sink so i am truly covered.

    Product Description

    A white, battery-powered motion sensor with pet detection, 90º field of view, and app compatibility.
    See all Door & Window Alarms
    Your price for this item is $31.99
    Save $3
    The previous price was $34.99
  2. Ring - Alarm Motion Detector (2nd Gen) (2-Pack) - White

    SKU: J36CLVSCT4

    Product Description

    A pair of white, battery-powered motion detectors offering easy installation and instant security alerts via app.
    See all Motion Sensors & Detectors
    Your price for this item is $59.99
  3. Ring - Alarm Motion Detector (2nd Gen) (1-Pack) - White

    SKU: J36CLVSCTG

    Product Description

    A battery-powered white motion detector that provides instant alerts and easy installation for enhanced home security.
    See all Motion Sensors & Detectors
    Your price for this item is $29.99
  4. Cync - Wire-Free Motion Sensor (1-Pack) - White

    SKU: J7GJZSY3LH

    Motion sensor...Looking for an outdoor motion sensor for a smart light switch. Mounted it up under an eve out of the rain, works well so far but time will tell...Love these motion sensors. Easy to in...

    Product Description

    A wire-free white motion sensor that automates Cync smart devices with adjustable, app-compatible Bluetooth control.
    See all Motion Sensors & Detectors
    Your price for this item is $26.99
    Save $8
    The previous price was $34.99
  5. Nanoleaf - Sense+ Smart Wireless Switch with Built-in Motion & Daylight Sensors (1PK) - White

    SKU: CGC7VVZSTH

    Product Description

    A white wireless smart switch with built-in motion and daylight sensors for effortless lighting control anywhere.
    See all Smart Light Switches & Dimmers
    Your price for this item is $23.99
    Save $6
    The previous price was $29.99
  6. Swann - Wireless Motion Alert Sensor (2-pack) - White

    SKU: J39HQX99XG

    [This review was collected as part of a promotion.] The Swann - Motion Alert Sensor seems to do a good job. The sensor seems to be really sensitive and sends notifications to your phone. ...Awesome Wireless...

    Product Description

    A wireless, battery-powered motion sensor in white that detects heat and movement, compatible with Alexa and Google Assistant.
    See all Motion Sensors & Detectors
    Your price for this item is $34.99
    Save $20
    The previous price was $54.99
  7. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

    Sensor Review...Sensors work perfectly. Easy to setup and install....SimpliSafe Sensor...Easy Setup, system recognized new sensors immediately.

    Product Description

    A set of four white, battery-powered entry sensors for easy installation on doors or windows.
    See all Motion Sensors & Detectors
    Your price for this item is $54.99
  8. ecobee - SmartSensor for Doors and Windows (2-Pack) - White

    SKU: JXC53VLSZG

    I love how easy it is to setup and use. The sensors serve two purposes, a motion sensor and door sensor. ...Lag on motion detection...I ended up returning them and going with Philips hue motion sensors...

    Product Description

    A white, battery-powered sensor that sends instant notifications when doors or windows are opened or closed.
    See all Door & Window Alarms
    Your price for this item is $79.99
  9. TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors x2, and Smart Hub w/ adjustable chime/siren Included - White

    SKU: J3GWLQQWH6

    Motions sensors and smart switches have unlimited capabilities together. ...I specifically sought motion sensors for my HomeKit ecosystem, and the Tapo sensor included in this kit proved to be an excellent...

    Product Description

    A comprehensive white smart sensor kit offering motion detection, contact sensors, real-time alerts, and app integration.
    See all Motion Sensors & Detectors
    Your price for this item is $69.99
  10. Aqara - T1 Door and Window Sensor- Requires Hub product, Supports Apple HomeKit, Alexa, Google, SmartThings - White

    SKU: JJ8RHCJJVQ

    2/3 of The Sensors Work...Best Buy SKUs for Aqara Products Mentioned: 6568829 T1 Sensor (Requires Hub)6568825 P1 Sensor Thread & Matter (No Hub)6568824 M2 Aqara Hub 6568833 FP2 Presence Detector (No Hub)...

    Product Description

    A white battery-powered sensor that detects door or window status and supports major smart home platforms.
    See all Door & Window Alarms
    Your price for this item is $16.99
    Save $3
    The previous price was $19.99