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Window Security Contact Sensors

Enhance your home security with window security contact sensors, a crucial addition to any safety-conscious household. These innovative devices are designed to alert you whenever a window is opened, providing an extra layer of protection and peace of mind. Easy to install and seamlessly integrate into your existing security system, these sensors offer a reliable way to monitor entry points in your home. Whether you're looking to deter potential intruders or simply ensure your family's safety, window security contact sensors are an essential component for modern home security solutions. Explore our selection today and take the first step toward a safer living 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

  2. 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 $44.99

  3. 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

  4. SimpliSafe - 1pack Entry Sensor - White

    SKU: J3L6GWR5Y9

    Purchased this extra sensor for a system that came with everything I needed but an another sensor to protect a window. ...These sensors are small and inconspicuous. Love that they could be adapted to...

    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

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

    SKU: J3GWLQQWH6

    Love these seniors and contacts....I installed the motion sensor in my garage and the contact sensor on the door between the garage and mud room. ...Door/window sensors...Would highly recommend if you...

    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
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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.