First Alert - Atom Battery Operated Smoke and Fire Alarm - White

Detect smoke with this First Alert Atom smoke detector. This unobtrusive unit is 62 percent smaller than typical detectors, and it has a photoelectric smoke sensor that reduces the number to nuisance alarms. This First Alert Atom smoke detector has a SmartClip mounting system that prevents installation unless the batteries are in place.
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What's Included

  • First Alert Atom Battery Operated Smoke and Fire Alarm
  • 3-Volt CR2-Lithium battery
  • Owner's manual

Ratings & Reviews

Overall Customer Rating:
100% of customers would recommend this product to a friend (1 out of 1)


Protect your loved ones and your home

Detects levels of smoke and carbon monoxide within your home and tests itself automatically.

Advanced smoke entry system and micro technology

Fewer false alarms from shower steam and cooking smoke. Photoelectric sensorProvides all the necessary protection to help keep your family and your home safe.

Loud 85-decibel alarm

Offers a loud pulsing alarm that will sound to alert you to a potential problem.


Possibility of placing anywhere.

SmartClip mounting system

That can easily be attached to any wall or ceiling.

Easy access battery door

Fast battery replacement.

Overall customer rating

would recommend to a friend
  • Rating: 3 out of 5 stars

    at least 2 of the 3 bought work

    • Verified PurchaserVerified Purchase
    • My Best Buy® Elite MemberElite Member

    small cute so far only one of the 3 went off once without any reason - not sure why - oh well... better looking than most hope we don't ever have a fire - BUY SMOKE DETECTORS WELL WORTH INVESTMENT SAFETY impt thanks

    I would recommend this to a friend

Product images, including color, may differ from actual product appearance.