Features: 1. Portable detector to detect all combustible gases. 2. The long and flexible stainless steel probe can reach all areas. 3. Acoustic semiconductor probe and automatic rapid preheating. 4. Instant response, precise leak location and low battery indication. 5. Sound and light leak alarm indication, sensitivity is adjustable. 6. Small size and light weight, easy to carry and use. Features: Long flexible stainless steel probe allows you to reach more area.Sound and light alarm against combustible gas leakage. With gas leakage degree indication and low battery indication. Adjustable sensitivity, adapts different detection requirements. Compact size, light weight, easy to carry and use. Specification: Model: AS8800L Sensor: Semiconductor Detection Gases: Methane, Ethane, Propane, Butane, Alcohol Hydrogen Gas, Natural Gas, Acetone, Naphtha, Sulfide, Gasoline and Volatile Industrial Solvent Sensitivity: adjustable, minimum 50ppm (methane) Response time: Instant Warm up time: less than 20s Continuous operation time: 9 hours (varies slightly with working conditions) Power: 3 x 1.5V AA batteries (NOT included) Product size: 158.866.2 Operating Environment: 0~50, 0~80% RH Storage Environment: 10~60, 0~90% RH Package List: 1 Flammable Gas Detector Note: 1 . Due to the difference between monitors and lighting effects, the pictures may not convey the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.