offer gas detector GS863

Power: AC110240V 50Hz 60Hz Mounting Accessories supplied for wall mounting. Alarm volume : 85db30cm Alarm pattern B 0.5spause 0.5s repeat this pattern Operating Temperature : -10 50 Ambient Humidity 10 90 RH Power Consumption 3 W Detection gas typeoptional : Butane Propne city gas Methane hydrogen ammonia Alarm sensitivity 10LEL Output signaloptional : Wireless electromagnetism valve natureopen and nature close. without signal output