*Bezel color options: silver/grey, silver/silver, beige yellower, ivory white *Power Input: AC220,50HZ *Power consumption: 3W *Detector Gas: Natural Gas LPG CO *Alarm Concentration: 5000PPM 2000PPM 150PPM~250PPM *Alarm Mode: Flash & sound alarm /Shut off Gas Valve *Buzzer Level: ≥80dB/m *Reset method: Automatic *Reset Time: ≤30sec Output Voltage on *alarming:DC12V;DC9V;AC220V optional *Operating temp: -10℃~40℃ *Operating Hum: Max. 95%RH *Logo on front: Logo plate or *silk screen *Certificate: CE *Dimensions(mm): 135X75X42.8 *Weight(g): NW: 209