Parameter:
Power supply: Input AC 110V; 220V; 230!a240V; Output DC 9V, 300mA
Frequency: 315MHz/433MHz
Stand-by current: ? 20mA
Alarm current: ? 150mA
Operating range: up to 150 meters in open place
Siren: ? 110db
Temperature range:-10 ~ 50 �J
Relative humidity: ? 90%
Dimension: 340x 250 x 78mm (Gift box)
Net weight: 1.2kg

Outstanding features:
1) 8 LED display of defense zone
2) built-in rechargeable lithium battery;