First start:Plug the detector into 90V-240V power,the green Power Led light up and the red Alarm Led will flash for 3 minutes,please wait and when the red led indicator is off,the detector go to the normal working state.Alarm:When the gas concentration is over 2500PPM,the buzzer will make a continue sound as"Di Di Di"and the red indication light will flash.Technical Parameter:1.AV voltage:AV 9V-240V 50-60Hz2.Battery voltage:9V rechargeable battery(optional)3.Working temperature:0-50?4.Environment Humility:10%-95%5.Alarm Density:2500PPM(±1500PPM)6.Alarm time:keep alarming after over 2500PPM7.Size:Approx112x73x42MMNotice:1.The gas detector is easy to be effected by the sharp pounding and shock in transit or installation, lead to not work.2.This is a Combustible Gas Detector, can not detect the poisonous gas such as CO.3.Scheduled maintenance:surface cleaning per month, specialist inspection per half year.4.Do not use the detergent to clean the gas detector,this will damage the gas detector.5.Do not spray any sprays such as air freshener,hair spray,etc.6.This product is only used to reduce the accident,cannot make sure everytime.Except use our detector in right way,please also pay more attention in your daily life and strengthen safety and security conciousness.Package Included:1x Gas Detector Alarm Sensor1x Product ManualWe have passed the CE & ROHS Certification and EN50194
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