Packing the entire power of an advanced photoelectric smoke alarm into a streamlined, miniature design, the First Alert Atom Smoke and Fire Alarms ensure that advanced protection in a micro design. The optical photoelectric sensing technology provides accurate detection and reduces nuisance alarms from cooking smoke or shower steam. The micro design at just 1.87″ diameter is 62% smaller than standard alarms – making them more stylish and not more obtrusive on ceilings and walls. The alarms feature an loud, 85dB audible alarm with flashing LED and a convenient dual function test/silence button to keep an eye on that function. Sold in a convenient three-pack for best placement during the house.

Atom Smoke & Fire Alarms include a long-life 3V Duracell lithium battery to make sure continuous power for over one year without replacement.

These Atom Smoke & Fire Alarms are easy to install -simply attach mounting bracket to wall or ceiling and twist alarm to lock in place. The SmartclipTM protected mount system prevents the installation of the alarm without the battery – so you’ll be able to ensure that the alarm has power before mounting.