Parameters:
- Operating Voltage Range: DC4.5V (3pcs AA Batteries)
- Standby Current: ≤25uA
- Alarm Current: ≤520mA
- Operating Humidity Range: 0 to 90% Relative Humidity, Non-condensation
- Operating Temperature Range: 0℃ to 40℃
- Warm-up Time: 30s
- Sound Pressure Level: ≥85dB/m
- Size: 100x40mm