Main features: High reliability sensor Automatic reset after alarm MCU processing adopted Automatic detect sensor failure Induced gas-CO/natural gas/LPG/LNG and more SMT design, high stability Wide work voltage Work with electrovalve and exhaust fan Technology parameter: Operating voltage: 85 to 265V AC Static current: 90 or 30mA (low power consumption type) Alarm current: 100 or 40mA (low power consumption type) Rating power: 3W (220V AC supply) Warm-up time: about 180 seconds Alarm level: 10% LEL gas and 100PPM carbon monoxide Sound level: 70dB/m Operating temperature: -10 to +50℃ Environment humidity: 95% RH Installation mode: wall mounted Alarm output: relay output/sound and flash alarm RF: 315MHz or 433MHz (wireless type) Radio distance: 100m in open area (wireless type) Outline size: 115 x 72 x 41mm Execute criterion: EN50291/GB15322.2-2003