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Smart Window Sensors

Smart window sensors are revolutionizing the way we secure and manage our homes, offering a seamless blend of convenience and peace of mind. These innovative devices provide real-time alerts and insights, helping you monitor your windows with ease whether you're at home or on the go. Designed to integrate effortlessly with your smart home ecosystem, they enhance security while also contributing to energy efficiency by alerting you to open windows when heating or cooling systems are in use. Explore the possibilities of enhanced home automation and take control of your living space with the latest in smart window sensor technology.

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  1. Ring - Alarm Contact Sensor (2nd Gen) (1-Pack) - White

    SKU: J36CLVSCTR

    Product Description

    A white, battery-powered contact sensor that alerts you via app when doors or windows are opened.
    See all Door & Window Alarms
    Your price for this item is $14.99
    Save $5
    The previous price was $19.99

  2. SimpliSafe - 1pack Entry Sensor - White

    SKU: J3L6GWR5Y9

    These sensors are small and inconspicuous. Love that they could be adapted to all of my windows and doors....Love the fact u can use this sensor for multiple locations. Affordable cost to add extra sensors...

    Product Description

    A discreet white entry sensor that easily installs on doors or windows for reliable home security monitoring.
    See all Motion Sensors & Detectors
    Your price for this item is $15.99

  3. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

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

    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

  4. ecobee - SmartSensor for Doors and Windows (2-Pack) - White

    SKU: JXC53VLSZG

    Great sensor in Ecobee home security system...You can find out when someone has opened a door or window with this sensor, detect motion in the house with the smart sensor, or capture them on video with...

    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

  5. Aqara - T1 Door and Window Sensor- Requires Hub product, Supports Apple HomeKit, Alexa, Google, SmartThings - White

    SKU: JJ8RHCJJVQ

    Great sensors for HomeKit Alarm...I bought a bunch of these for my condo's doors and windows, and the sensors have performed very well. ...2/3 of The Sensors Work...Currently, Alexa routines turn Tuya/...

    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
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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.