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home security & monitoring

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motion sensors & detectors

Light Motion Sensors

Motion sensors are a great way to protect your home and property. They can be used in the garage, the kitchen, or even the bedroom. These devices will automatically trigger an alarm if they detect movement, so you don't have to worry about forgetting to close a door or coming home to find that someone has broken into your home. Browse the top-ranked list of light motion sensors below along with associated reviews and opinions.

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  1. 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

  2. Ring - Smart Lighting Motion-Activated Pathlight - Black

    SKU: J36CLVPWSP

    These path lights are a great addition to my complete Ring security system (11 cameras, 4 motion & 12 other sensors, 3 key pads, Schlage door lock, Ring bridge, water and smoke/CO2 sensors, and ring pro)....

    Product Description

    A weather-resistant, battery-powered black pathlight with motion detection and smart controls via the Ring App.
    See all Landscape Lighting
    Your price for this item is $29.99

  3. 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...It works weel with the C by GE smart light...

    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

  4. Cync - Smart Dimmer + Motion Sensor Switch, No Neutral Wire Required, Bluetooth and 2.4 GHz Wifi - White

    SKU: J7GJZSY4H8

    Installed it in my kitchen to control the overhead lights with motion sensor....Sensor switch...It controls my lights powering off and on even if I don’t use my c by ge light a but that is what I have...

    Product Description

    A white smart dimmer and motion sensor switch offering app, voice, and wireless control without a neutral wire.
    See all Smart Dimmer Switches
    Your price for this item is $69.99

  5. Nanoleaf - Sense+ Smart Wireless Switch with Built-in Motion & Daylight Sensors (1PK) - White

    SKU: CGC7VVZSTH

    Was a little to get the lights connected but once it happened… perfection

    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. 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

  7. Swann - Wireless Motion Alert Sensor (2-pack) - White

    SKU: J39HQX99XG

    Awesome Wireless Motion Alert Sensor!...[This review was collected as part of a promotion.] The Swann Wireless Motion Alert Sensor is amazing! I placed this in my living room to catch any movement by...

    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
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Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.