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Door Window Sensors

Enhance your home security with cutting-edge door window sensors that offer peace of mind and protection. These innovative devices are designed to alert you to any unauthorized entry, ensuring your home remains a safe haven. Whether you're looking to secure your front door, windows, or even garage doors, these sensors provide reliable monitoring and seamless integration with your existing security system. With easy installation and smart technology, you can effortlessly keep an eye on your home's access points from anywhere. Explore our selection of door window sensors and take the first step towards a smarter, safer home environment.

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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. Ring - Alarm 8-Piece Security Kit - White

    SKU: J36CLVS279

    Product Description

    A white, app-compatible security kit with motion detection, battery backup, and real-time alerts for home protection.
    See all Home Security Systems
    Your price for this item is $249.99

  3. SimpliSafe - 1pack Entry Sensor - White

    SKU: J3L6GWR5Y9

    Entry sensor...These sensors are small and inconspicuous. Love that they could be adapted to all of my windows and doors....Excellent Sensors...This SimpliSafe Entry Sensor does a great job. We have...

    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

  4. SimpliSafe - 4pack Entry Sensor - White

    SKU: J362VFSXGR

    Great door sensor...Easy to install and setup. I have on all my doors and windows....We picked up these window/door sensors as an addition to the ones we had with the simplisafe system so that we cover...

    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

  5. 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

  6. 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. ...Not just for doors and windows!...I have them on all my doors...

    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.