First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector Item #3492121 Model #LOW-3364-00 dual automatic valves (2)

dual automatic valves (2)

flat temple design limits risk of reduced effectiveness

Exceptional Dirt Pick-Up Resistance

and an end-of-life signal so you know when to replace the unit

7-Year limited warranty

First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector Item #3492121 Model #LOW-3364-00 dual automatic valves (2)The First Alert SM210 10 Year Sealed Battery Smoke Alarm with Slim Profile Design is equipped with First Alert's Precision Detection advance sensing technology and meets new industry standards. This slim profile smoke 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