... 220V DC 9V Static Current,≤50mA Alarm Current,≤300mA Wireless Receiving Frequency,315/ ... Wireless Receiving Sensitivity,5mV/ m Outer Alarm Siren Volume,110dB Working Condition,Temperature-10 ... /checking the code automatically 6. The alarm call has the priority to the normal ... alarm to prevent people from destroy. 7. Can work with the wireless P.I.R sensor, wireless smoke detector, break sensor, gas sensor ...