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home security & monitoring

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door & window security

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door & window alarms

Wireless Window Sensors

Enhance your home security with wireless window sensors, the perfect blend of convenience and peace of mind. These innovative devices are designed to alert you whenever a window is opened, providing an extra layer of protection for your home and loved ones. With easy installation and seamless integration into your existing smart home system, wireless window sensors offer a hassle-free solution to monitor entry points in real-time. Explore a range of options that cater to different needs and preferences, ensuring that your home remains safe and secure without compromising on style or functionality.

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  1. SimpliSafe - 1pack Entry Sensor - White

    SKU: J3L6GWR5Y9

    Love the multi purpose sensor...Love the fact u can use this sensor for multiple locations. Affordable cost to add extra sensors. ...Entry sensor...These sensors are small and inconspicuous. Love that...

    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

  2. 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

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

    SKU: J36CLVSCW6

    Product Description

    A pair of easy-to-install white sensors that alert you via app when doors or windows open.
    See all Door & Window Alarms
    Your price for this item is $66.44

  4. Ring - Alarm Contact Sensor (2nd Gen) (6-Pack) - White

    SKU: J36CLVS2GR

    Product Description

    A set of six white, battery-powered sensors for easy DIY door and window security with app alerts.
    See all Door & Window Alarms
    Your price for this item is $106.98

  5. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

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

    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

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

    SKU: JXC53VLSZG

    I have a sensor mounted to my front door and my camera facing my windows. ...Excellent sensor that works great with app...The packaging is very nice and the sensors are very cool and high quality. Setup...

    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

  7. TP-Link - Tapo Smart Home Security Kit - Motion Detector, Contact Sensors x2, and Smart Hub w/ adjustable chime/siren Included - White

    SKU: J3GWLQQWH6

    Very convenient. Door sensor work well tooI look forward to more...Door/window sensors...Would highly recommend if you can’t find sensors to integrate into your home system.

    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 $41.99
    Save $28
    The previous price was $69.99

  8. 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...Best Buy SKUs for Aqara Products Mentioned:...

    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.