Smoke alarms

Smoke alarms
Working principle: photoelectric type
Operating voltage: DC 3V
Quiescent current: ≤4μA
Alarm current: ≤11.5 mA
Battery specifications: No. 5 AA alkaline battery
Alarm mode: sound and light alarm, volume ≥ 80 dB@3m (A-weighted)
Environment: Temperature: -10°C~55°C; Relative humidity: ≤95%RH
Dimensions: 106mmx50mm
Weight: 168g (including battery)