Specifications: Sensitive in detecting coalgas, natural gas and liquefied petroleum gas leakage. 85dB alarm volume and red light indicator warning to make your know and escape the danger easily. Buffer alarm function to decrease the phenomenon of false alarm. Low power consumption sensor, energy-saving. Easy to install and operate. Item Name: Gas Leak Detector Case Material: Plastic Voltage: 220V Plug Type: US Plug Alarm Current: 100MA Static Current: 20uA Detecting Angle: 360 Degree Detecting Distance: 2m Operating Temperature: -10-50 Degree Celsius Alarm Gas Density: 0.1-0.5% for Coalgas, 0.1-0.3% for Natural Gas, 0.1-0.2% for Liquefied Petroleum Gas Alarm Volume: 85dB Alarm Respond: 20s (According to the Gas Concentration) Installing Mode: Wall-mounted Application Scope: Coalgas, Natural Gas, Liquefied Petroleum Gas Features: Wall-mounted, Low Power Consumption, Easy to Install Size: 110mm x 70mm x 40mm/4.33" x 2.76" x 1.57" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Gas Leak Detector