Smoke Sensor Alarm with Buzzer & LED Indicator (ALA-HUM)

Code:åÊALA-HUM Smoke sensor alarm with buzzer. It has installation bracket, test button and LED operation indicator. It can be used at home or in the office or any place with risk of fire. White color finish. Tech Specifications - Power supply: 9 VDC (1 battery, 9 V)- Operating current: < 10 uA (standby) / 10 to 50 mA (working)- Interface between tmperature and smoke: 10 to 90%- Sound level: 85 dB at 9.8 ft (3 m)- Battery life: at least 1 year (new) Includes - Battery, 9 V- Installation bracket