Portable Gas Leak Detector Tester Propane Methane Natural Gas Alarm Sensor Safe Description: Gas leakage second rapid alarm advanced gas sensitivity, quick reaction, 85 dB treble. Plug-in cartridge is easy to install and supports US plug. Acute sense of gas, using advanced gas sensor chip professional team research and production, each production is through strict procedures of production, layer by layer inspection. ABS flame retardant material, the raw material of the product is manufactured with new generation ABS material, which resists high temperature and is not afraid of deformation. Features: Type: Combustible gas detector Plug type: US Plug Color: White Temperature range: 0°C~60°C Alarm concentration: 0.1%~0.5% Alarm sound: 85db Working voltage: AC100~240V Humidity range: 10%~95% RH Detection range: 1%~100%LEL Appearance size:105X73X33mm Package includes: 1 X Gas Sensor 1 X Instruction Manual Note: Fault Indicator: Indicator light shows yellow Alarm Indicator: Indicator light shows red Working Indicator: Indicator lights show green