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home alarms & sensors

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motion sensors & detectors

Alarm Security Systems

There are many different types of home security systems available for purchase today. Some are wired and some are wireless. Some are monitored by a central company and others have self-monitored capabilities. Some will trigger an alarm when the door is opened, while others will send you a text message on your phone. Some systems are complex and others are simple. Before you buy a home security system, you should consider what you want it to do for you and how much you want to spend on it. Here are some options.

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  1. Ring - Alarm Security Kit 5-Piece (2nd Gen) - White

    SKU: J36CLVS273

    Product Description

    A white, app-compatible security kit with motion detection, battery backup, and easy setup for small homes.
    See all Home Security Systems
    Your price for this item is $109.99
    Save $90
    The previous price was $199.99

  2. 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 $32.99

  3. 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

  4. 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

  5. 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 $29.98
    Save $10
    The previous price was $39.99

  6. 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 $179.99
    Save $70
    The previous price was $249.99

  7. Ring - Alarm Security Kit 9-Piece (2nd Gen) - White

    SKU: J39HW69Z65

    Alarm System...I absolutely love my Ring Alarm System! User-Friendly, Easy to operate/install and I now have a greater sense of security in my home.

    Product Description

    A comprehensive white security kit featuring app compatibility, battery backup, and real-time alerts for home protection.
    See all Home Security Systems
    Your price for this item is $299.99

  8. Compustar - Vehicle Alarm Add-on Kit for Remote Start Systems - Black/Gray

    SKU: J3P5Z3C2G6

    Product Description

    An add-on kit in black and gray that upgrades remote start systems with enhanced vehicle security and voice alerts.
    See all Remote Start & Security Systems
    Your price for this item is $119.99

  9. Ring - Alarm Range Extender (2nd Gen) - White

    SKU: J36CLVSCHQ

    Product Description

    A white plug-in extender that boosts connectivity between your Ring Alarm Base Station and its components.
    See all Wi-Fi Extenders
    Your price for this item is $14.99
    Save $10
    The previous price was $24.99

  10. Swann - SwannForce 2K Security Camera, Add-On Bullet Analog CCTV Camera with Microphone for DVR Systems - White

    SKU: J39HQX6CVC

    Product Description

    A white wired bullet camera with 2K video, color night vision, microphone, and True Detect™ motion detection.
    See all Security Camera Systems
    Your price for this item is $79.99
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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.