Basic features Mcu processing High stability sensor Ceiling mounted Independent & network option Direct current 12v Auto reset after alarm Technical parameter Detecting gas:town gas.Co Working voltage:12v dc Standby current:ín120ma Alarm current:ín60ma Alarm density:50í½300ppm Buzzer:í²70db(1m) Operating condition:-10íµí½+55íµ; relative humidityín90%rh Stability:regular alarm density erroría80ppm Repeatability:repeative alarm density erroría80ppm Alarm density error:ía80ppm Alarm mode:sound&flash alarm/network alarm signal Size:ª¦115íß51mm Packing:80pcs/ctn gw:16.6kgs d:515*335*520