First Alert SM210M Sealed 10-Year-Battery Micro Smoke Alarm Computers an aux input jack for

an aux input jack for connecting an additional audio source

transition (fade)

For decades

Soft-touch handle feels great in the hand and provides a nonslip grip

silence alarms

First Alert SM210M Sealed 10-Year-Battery Micro Smoke Alarm Computers an aux input jack forLess than half the diameter and offering the same protection, the First Alert SM210M 10 Year Sealed Battery Micro Smoke Alarm meets the latest industry standards using First Alert's Precision Detection advanced sensing technology. It reduces cooking nuisance alarms and provides early warning in the event of a home fire emergency. The small but mighty smoke detector is easy to install and doesn't require battery replacements. Instead, its end of life