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home security & monitoring

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home alarms & sensors

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smoke & carbon monoxide detectors

Safety Alarms

The best safety alarms are easy to install, easy to use and easy to hear. You want something that will help you keep your home safe, and you want it to be easy for you to hear when it's time to take action. Browse the top-ranked list of safety alarms below along with associated reviews and opinions.  

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  1. 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

  2. First Alert - Smoke and Carbon Monoxide Detector Battery Powered - White

    SKU: JJ8Z8VQ4FV

    Nest replacement smoke alarm...This one meshed easily with our existing Nest alarms. Missing some features that Nest had including night light feature....Great smart smoke detector for home safety...If...

    Product Description

    A battery-powered white detector that alerts you to smoke and carbon monoxide, with app compatibility.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $113.99
    Save $16
    The previous price was $129.99

  3. SimpliSafe - Panic Button - White

    SKU: J3L6GWR5SV

    Extra safety feature for SimpliSafe...If you have the SimpliSafe security system, you need one of these in the bedroom-and perhaps other rooms-to activate the alarm system for emergencies...Extra safety...

    Product Description

    A white panic button that instantly triggers your security system’s alarm for emergency assistance or silent alerts.
    See all Door & Window Alarms
    Your price for this item is $19.99

  4. SimpliSafe - Smoke & Carbon Monoxide Detector - White

    SKU: J362VFS3VL

    Fire Alarm...Ring has a sensor next to fire alarm. This is all in one...This one of the few smoke alarms tied to a good inexpensive security system.

    Product Description

    A white, battery-powered detector that alerts you to smoke and carbon monoxide, compatible with Alexa and Google Assistant.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $69.99

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

    SKU: J39HW69Z65

    Alarm System...Rin alarm Pro

    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

  6. SimpliSafe - Smoke & Carbon Monoxide Alarm Listener - White

    SKU: J362VFSG67

    Product Description

    A white listener that connects to existing detectors for app alerts and professional fire or CO monitoring.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $44.99

  7. Police Security - ALERT120 - Grey/Black

    SKU: JXQSLQYQHP

    Product Description

    A compact grey and black personal alarm keychain with 120dB siren, 500-lumen flashlight, and strobe.
    See all Flashlights & Portable Lights
    Your price for this item is $29.99

  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. SimpliSafe - Smart Alarm Wireless Indoor Security Camera - White

    SKU: J362VFS8J2

    Product Description

    A wireless white indoor security camera with night vision, two-way audio, motion sensor, and app compatibility.
    See all Indoor Security Cameras
    Your price for this item is $112.99
    Save $37
    The previous price was $149.99

  10. Reolink - Elite F751W 4K 8MP Outdoor Wired Wi - Fi Panorama Security Camera with Floodlights and AI Smart Search - White

    SKU: J3R84PK3ZK

    Product Description

    A white outdoor security camera with 4K panoramic view, AI smart search, and customizable motion-activated floodlights.
    See all Outdoor Security Cameras
    Your price for this item is $219.99
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Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
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.