Specation:
Power Supply: DC 9V battery, 6F22
Standby current: ≤98uA
Low battery warning: <7.6V
Alarm Noise Level: 80 dB at 9.84 ft (3 m)
Safety Standards: UL 217 & UL 2034
Smoke Sensor Type: Photoelectric
CO Sensor Type: Electrochemical
Temperature range: 0°C~49°C (32°F~120°F
Humidity: ≤95%RH (No icing or condensation)
Packing List: