alarm,detector Operating voltage: 85-265V AC Drivable accessaries:electromagnetic valve or exhaust fan Independent type alarm,detectorIndependent typeSemiconductor sensor Operating voltage: 85-265V AC; Wall mounted;Alarm output: Sound& LED Flash alarm; Alarm level: 10% ±5% LEL.Drivable accessaries:electromagnetic valve&exhaust fan;High Reliability sensor;MCU processing adopted,SMT adopted,good ...