Power supply: AC 220V; AC230-240V; DC9V battery
Working frequency: 315MHz/433MHz
Alarm limit: coal gas: 2000ppm +/-30%; solid petroleum: 5000 ppm +/-30% (LPG ); Natural gas: 2000ppm +/-30%
Working current: Normal 150mA; Alarm 200mA
Working temperature: -10 to 50 deg. C
Insulation: Insulation resistance >50 ohms; Electric strength >1500V AC
Relative humidity: < 90rh
Size: 145 x 100 x 42mm
N.W.: 235g
Widely used in the kitchen, bathroom