
Two-pack of slim 10-year photoelectric smoke alarms provides reliable whole-home coverage with First Alert Precision Detection technology, delivering early warning of smoldering fires while reducing nuisance alarms from cooking. Each unit features a low-profile design that mounts close to the ceiling and runs on a sealed 10-year lithium battery, eliminating battery replacement and low-battery chirps for the life of the alarms.
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Two-pack of slim 10-year photoelectric smoke alarms provides reliable whole-home coverage with First Alert Precision Detection technology, delivering early warning of smoldering fires while reducing nuisance alarms from cooking. Each unit features a low-profile design that mounts close to the ceiling and runs on a sealed 10-year lithium battery, eliminating battery replacement and low-battery chirps for the life of the alarms.

10-year sealed battery dual-sensor smoke alarm provides ultimate protection by combining ionization and photoelectric technologies to detect both fast-flaming and slow-smoldering fires. Precision Detection advanced sensing helps reduce nuisance alarms from cooking while still delivering early warning of real fire emergencies. Sealed lithium power cell removes the need for battery changes or low-battery chirps, and a single test/silence button simplifies operation and maintenance.

Get alerted the minute a dangerous hazard threatens your home with the 2-in-1 smoke and carbon monoxide detector. Engineered to tell the difference between dangerous smoke and burning food, so you’ll always know when there’s a real emergency. It’s also backed by SimpliSafe’s award-winning security system and 24/7 professional monitoring—any time there’s trouble, emergency assistance will be quickly sent to your front door.* Setup is easy too with the included hardware. Plus, thoughtful notifications will give you daily updates on your detectors’ status, so you know it’s working properly. *Emergency dispatch is available with select monitoring plans.

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 required.
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| There were no pros for this product— | There were no pros for this product— | Ease of use | There were no pros for this product— |