Working Voltage:DC9V(battery supply)
Working current: monitor state less than 12μA, alarm state less than 5mA.
Alarm loudness: distance 3m,loudness not than 85db.
Ambient condition temperature: -10℃~+60℃
Relative humidity <=95%(40±2)℃
Protective area:the height of installation for less than six meter, protective area for more than sixty square meter.
Physical dimension: Φ120mm×45mm
Weight: 153g