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Kidde Smoke Alarms

Kidde smoke alarms are designed to alert you to the presence of smoke, allowing you to escape safely. They are available in both ionization and photoelectric styles. Browse the top-ranked list of Kidde smoke alarms below along with associated reviews and opinions. 

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  1. First Alert - SM210 Sealed 10-Year-Battery Smoke Alarm, Slim Profile Design - White

    SKU: J7XK72GPJL

    Product Description

    The First Alert® SM210 10-Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advanced sensing technology and meets new industry standards to reduce cooking nuisance alarms and provide early warning in the event of a home fire emergency. This slim profile smoke alarm is easy to install, and the 10-year battery means no battery replacements are...
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $40.00

  2. First Alert - Standard Battery-Operated Smoke and CO Alarm 2 Pack Models SMI100 and CO400 - White

    SKU: J7XK72GYWV

    Product Description

    Install reliable fire and carbon monoxide (CO) protection with this First Alert® Value Safety 2 Pack. It includes the SMI100 battery-operated smoke alarm and the CO400 battery-operated carbon monoxide alarm. The SMI100 Smoke Alarm features the First Alert® Precision Detection advanced-sensing technology that meets the latest industry standards to reduce cooking nuisance alarms, detect smoke from synthetic...
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    Your price for this item is $51.99

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

    SKU: JJ8Z8VQ4FV

    Product Description

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

  4. First Alert - SM210M Sealed 10-Year-Battery Micro Smoke Alarm - White

    SKU: J7XK72GYZ3

    Product Description

    Less than half the diameter and offering the same protection, the First Alert® SM210M 10-Year Sealed-Battery Micro Smoke Alarm meets the latest industry standards using First Alert's Precision Detection advanced sensing technology. It reduces cooking nuisance alarms and provides early warning in the event of a home fire emergency. The small but mighty smoke detector is easy to install and doesn't...
    See all Smoke & Carbon Monoxide Detectors
    Your price for this item is $49.29
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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.