First Alert SA320CN Photoelectric and Ionization Battery-Powered Smoke Alarm 1039828
First Alert SA320 Battery Powered Smoke Detector with Photoelectric and Ionization Sensors
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First Alert Sadual Dual Sensor Smoke and Fire Alarm (Model SA320) utilizes both ionization and photoelectric smoke sensors for optimal performance – detects both fast flaming and slow smoldering fires. Smart sensing technology helps recognize the difference between non-threatening conditions and real emergencies. Mute bottom serves purpose of quickly silencing alarm and testing it’s function. Powered by 2-AA batteries (included) with EZ access battery door – allows you to change batteries without removing the alarm from the ceiling.
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