... alarm, gas detector 1.4 years experience in gas detector 2. ExiaIICT3, IP65, CE 3.one year's guarantee MG01 portable gas detector ... , mine, petroleum and other spots where need to prevent fire, explosion and toxic gas from leakage. What's more ... Fault under voltage indicationDesign: Ergonomic design,comfortable feel,easy to use Impact composite materials,Anti - radio interference(RFI) Small figure, ...