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Power: AC110240V 50Hz,60Hz Alarm volume : 85db30cm Alarm pattern: BI 0.5s--pause 0.5s repeat this pattern Operating condition: Operating Temperature : -10 50 Ambient Humidity : 10 90 RH Power Consumption : 3 W Detection gas type(optional) : Butane Propane city gas Methane hydrogen ammonia Alarm sensitivity : 10 LEL Output signal(optional) : Wireless,without signal output
