offer carbon monoxide alarm GS832

Power: AC100V AC240V 50Hz 60Hz Mounting: Accessories supplied for wall mounting. Alarm volume: 85db(A) at 1m CO alarm pattern : BI 0.5s--pause 0.5s--BI 0.5s--pause 0.5S with corresponding red LED flash. repeat this pattern Fault alarm pattern: 1 short beeps - followed by 4 seconds of silence followed by 1 short beeps with a corresponding red LED flash Operating Condition : Operating Temperature : -10 50 Ambient Humidity : 10 90 RH Sensor : semiconductor CO sensor Test Reset Button : Test button verifies proper unit operation Power Consumption : 3 W Type of gas be detected: Carbon monoxide Alarm sensitivity : conforms to EN50291 standard Output signal(optional) : Wireless nature-open and nature close.without signal output Quomodo of power supply input:AC power input line