First Alert 1039828 Fire and Smoke Detector, AA Alkaline Battery, Photo, Ion Sensor, 85 dB, Alarm: Smoke Pool Finishing Trowel Battery Voltage: 9 V

Battery Voltage: 9 V

Warm weather model TC-22 turns on when temperatures rise to approximately 120°F

Model Number: 49-66-7012

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First Alert 1039828 Fire and Smoke Detector, AA Alkaline Battery, Photo, Ion Sensor, 85 dB, Alarm: Smoke Pool Finishing Trowel Battery Voltage: 9 VThe First Alert Dual Sensor Smoke and Fire Alarm is designed to provide peace of mind. This fire detector offers comprehensive monitoring for smoke by using two different sensors. A single button silences the alarm and tests the unit, while a loud 85 decibel siren is designed to alert even the soundest of sleepers. The battery powered design allows the fire detector to be installed easily. Equipped with both a photoelectric and ionization sensor to