1100% and high quality. 2It can quickly identify and determine the location of combustible gas leaks. 3High sensitivity, you can adjust the sensitivity by yourself. 4This product has visible sound and light alarm function. 5It 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 Features: 1.100% 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% Model: PM6310 Image Resolution: 50ppm Respond Time: