Description: Type: Gas Alarm Detector Measuring Range: 180 Degrees Measuring Object: Methane Measurement Accuracy: 100% Voltage: 110V Resolution: 6% LEL Size: 115*72*41 (mm) Weight: 0.15 (kg) Power Supply: 220V Detection Distance: 30 Scope Of Application: Household, Commercial, Kitchen, Hotel, Places Where Gas May Leak Detection Angle: 360 Degrees Specifications: 1. Easy To Use, Just Plug The Gas Alarm Plug Directly Into The 20V Socket To Use 2. It Can Detect A Variety Of Gas Leaks, Such As Natural Gas, Liquefied Petroleum Gas, Coal Gas, Etc. 3. Sensitive, Immediate Alarm, Loud Alarm Sound 4. There Is A Hole On The Back For Wall Hanging Package Included: 2*Gas Leak Alarm+Instruction Manual+Installation Parts