The long flexible stainless steel probe allows you to reach more area.Audible and luminous alarm against combustible gas leaks.With indication of degree of gas leak and low battery indication. Adjustable sensitivity, adapts different detection requirements.Compact size, light weight, easy to carry and use.Number of pieces delivered: 1Specification:Model: AS8800LSensor: SemiconductorDetection Gases: Methane, Ethane, Propane, Butane, Alcohol Hydrogen Gas, Natural Gas, Acetone, Naphtha, Sulfide, Gasoline and Volatile Industrial SolventSensitivity: Adjustable, Minimum 50 ppm (methane)Response time: InstantWarm up time: lt; 20sContinuous operating time: 9 hours (varies slightly with working conditions)Low battery indication: yesPower supply: 3 x 1.5V AA batteries (NOT included)Product size: 156 66 31mm / 6.1 2.6 1.2inOperating environment: 0~50, 0~80% RHStorage environment: 10~60, 0~90% RHWeight: approx.221g / 7.8oz Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store