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- Smoke detector with built-in 10-year 3-volt lithium power cell
- Ionization sensor for efficient smoke detection
- Tamperproof design prevents batteries from being removed
- Includes smoke alarm status LED indicator, end-of-life signal, and test/silence button
- Complies with current 10-year legislation in states/cities where required
The First Alert 0827-SA340CN Sealed Ionization Smoke Alarm features a 10-year sealed lithium battery, eliminating the need for battery replacements during the lifetime of the alarm. A tamperproof design prevents batteries from being removed. Featuring an ionization sensor for reliable smoke detection, this model meets code for all sealed/tamperproof alarms. The smoke alarm includes a mute feature that lets users to silence the alarm, as well as a power LED and alarm indicator, end of life signal, and single test button for simple operation. A Perfect Mount system allows you to easily align and mount the smoke detector on the wall.