Features 1、100% brand new and high quality. 2、It can quickly identify and determine the location of combustible gas leaks. 3、High sensitivity, you can adjust the sensitivity by yourself. 4、This product has visible sound and light alarm function. 5、It can detect many kinds of gas, such as natural gas, methane, ethane, propane, butane, acetone, alcohol, ammonia, hydrogen, smoke, sulfide, naphtha, gasoline vapour, carbon monoxide, paint thinner, organic solvent steam, volatile industrial solvents, et Specification Features: 1. 100% brand new and high quality. 2. It can quickly identify and determine the location of combustible gas leaks. 3. High sensitivity, you can adjust the sensitivity by yourself. 4. This product has visible sound and light alarm function. 5. It can detect many kinds of gas, such as natural gas, methane, ethane, propane, butane, acetone, alcohol, ammonia, hydrogen, smoke, sulfide, naphtha, gasoline vapour, carbon monoxide, paint thinner, organic solvent steam, volatile industrial solvents, etc. Specification: Condition: 100% Brand New Model: PM6310 Image Resolution: 50ppm Respond Time: <2s Warm Up Time: ≥2min Zero Time: 7-10min Working Temperature: 0-50℃ Working Humility: 10-90% RH(no ice) Power: 4 * 1.5V Batteries(not included) Alarm Range: 10% ~ 40% LEL Weight: Approx. 426g / 15.0oz Size: Approx. 200 * 70 * 50mm / 7.9 * 2.8 * 2.0in Package List: 1 * Gas Leak Detector 1 * Black Bag Package List