Technical Parameter 1.AV voltage:AV 9V-240V 50-60Hz 2.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 2500PPM 7.Size:Approx112x73x42MM Notice 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, pleasure pay more attention in your daily life and strengthen safety and security conciousness. Package Included 1x Gas Detector Alarm Sensor 1x Product Manual We have passed the CE & ROHS Certification and EN50194
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