Power supply: Input AC 110V; 220V; 230, 240V; Output DC 9V, 300mA
Frequency: 315MHz/433MHz
Stand-by current: d 20mA
Alarm current: d 150mA
Operating range: Up to 150 meters in open place
Siren: e 110dB
Temperature range: -10 ~ 50 degree
Relative humidity: d 90%
Dimension: 340x 250 x 78mm (Gift box)