First Alert 3120B Smoke Alarm, Photoelectric Sensor, 85 dB, White N/A User friendly Emergency controller -

User friendly Emergency controller - Audible/visual alarm and solution

At a temperature of 70 degrees the vent opens to provide fresh intake air & at 40 degrees the vent closes to conserve energy & protect the pipes

Toolable and moldable

Can be used full-strength or in various dilutions with ambient water to replace most general and specialized cleaners

First Alert 3120B Smoke Alarm, Photoelectric Sensor, 85 dB, White N/A User friendly Emergency controller -Highlights: Color : White Volts : 120 volt Power Type : Hard Wired w Battery Back up Sensor Type : Ionization Photoelectric Battery Size : AA Sound Level : 85 dB Batteries Included Photoelectric and ionization sensors for comprehensive smoke and fire detection Hardwired alarm includes battery backup for power outages Single button to test detector monthly or silence during a false alarm Latching features indicate low battery or originating alarm in a