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The First Alert SM210 10-Year Sealed Battery Smoke Alarm with Slim Profile Design is available in a convenient two-pack. The SM210 smoke alarm features First Alert’s Precision Detection advanced sensing technology and meets new industry standards. This slim profile alarm is easy to install and the 10-year sealed battery means no battery replacements are required.
- Precision Detection technology helps reduce cooking nuisance alarms and provides early warning.
- 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 alarm.
- End-of-life warning lets you know when its time to replace the alarm.
- Test/silence button for efficient testing to ensure alarm is working properly.