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. This slim profile smoke alarm is easy to install, and the 10-year battery means no battery replacements are required.
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
10-Year sealed battery eliminates battery replacements and low battery chirps for the life of the alarm
Slim profile design is half the depth of a standard detector
End-of-life warning lets you know when it’s time to replace the alarm
Test/silence button for efficient testing to ensure the detector is working properly
First Alert
0.5 lb
1046731
5050046
SM210
Smoke Alarm
Photoelectric
Smoke particles of varying number and size are produced in all fires. For maximum protection, use both ionization and photoelectric sensing technologies. Ionization alarms are generally more sensitive to fast flaming fires and photoelectric alarms are generally more sensitive to smoldering fires.