Power voltage: 220V±10﹪V,frequency: 50±5﹪Hz
Environment temperature: +5~+50﹪
Max circuit resistance between contact element and alarm: should not exceed 20Ω
Input alarm signal:contact : this contact should be working independently
Sound alarm: AC200V,8W electric bell or buzzer
Power consumption of alarm: 14W
Weight: 4.5㎏
Dimension: 160×80×210(㎜)
Hole size: 152×76(㎜)