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Smart Alarms

Smart alarms are a class of security devices that work with your smartphone to protect your home or business. They can be set up to alert you to a variety of events, including the presence fire, smoke or carbon monoxide in the surrounding areas. Browse the top-ranked list of smart alarms below along with associated reviews and opinions.

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  1. Amazon - Echo Spot (2024 release), Smart alarm clock with vibrant sound and Alexa - Black

    SKU: J39HW66HS5

    Product Description

    A sleek black smart alarm clock with Alexa, vibrant sound, customizable display, and smart home control.
    See all Smart Speakers
    Your price for this item is $79.99

  2. Amazon - Echo Spot (2024 release), Smart alarm clock with vibrant sound and Alexa - Ocean Blue

    SKU: J39HW6RL4G

    Product Description

    An ocean blue smart alarm clock featuring Alexa, vibrant sound, customizable display, and smart home integration.
    See all Smart Speakers
    Your price for this item is $79.99

  3. Amazon - Echo Spot (2024 release), Smart alarm clock with vibrant sound and Alexa - Glacier White

    SKU: J39HW6SJRZ

    Product Description

    A sleek Glacier White smart alarm clock with Alexa, vibrant sound, display screen, and smart home integration.
    See all Smart Speakers
    Your price for this item is $79.99

  4. Nintendo - Sound Clock: Alarmo - Red

    SKU: J7GSL57HL3

    Great alarm clock...Legitimately love this alarm clock. Ever since ive gotten it I haven't slept through an alarm. ...A Nintendo fan's alarm...The alarm works with many Nintendo characters/music as alarms...

    Product Description

    A playful red digital alarm clock featuring Nintendo soundscapes, motion-sensing snooze, and customizable wake-up scenes.
    See all Alarm Clock Radios
    Your price for this item is $109.99

  5. First Alert - Z-Wave Smoke and Carbon Monoxide Detector - White

    SKU: JJ8Z8VQ43T

    Product Description

    A battery-powered white alarm that detects both smoke and carbon monoxide, compatible with Z-Wave smart systems.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $64.99

  6. First Alert - Smoke and Carbon Monoxide Detector Hardwired - White

    SKU: JJ8Z8VQ4FT

    This is a good replacement for the nest protect alarm. It was easy to set up and connect to my smart home....The only downside is that the new alarm does not have the nightlight feature that was in the...

    Product Description

    A hardwired, app-compatible white detector that alerts you to both smoke and carbon monoxide dangers.
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $129.99

  7. 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 $129.99

  8. 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

  9. 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

  10. 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
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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.