The combustible gas leak detector with visual leakage indicator, can detect gas leakage. All you need to know the high reliability testing instrument in the use of all kinds of refrigerants, alkanes, combustible gas and fuel oil is of great value in the environment of universal instruments.Can be used to detect hydrocarbons (methane, natural gas, gas, ethane, propane, benzene, Acetylene, propane, N,N,N,n, Pentane, hexane, gas oil, toluene), halogenated hydrocarbons(methylchloride, methylene chloride, three chloride, vinyl chloride), alcohols(methanol, ethanol)etc.Features:Portable detector for detecting all combustible gas.Long flexible stainless probe reaches all areas.Audible semiconductor probe and auto fast warm-up.Instant response, pinpoint leak position and low battery indication.Audio & visible leakage alarm indication and adjustable sensitivity.Compact size, light weight, easy to carry and operate.Specifications:Brand Name: SMART SENSORColor: Red + BlackMaterial: ABS PlasticDetection Gas: Combustible GasSensitivity: Variable, Minimum 50 PPM (methane)Alarm Mode: sound alarm and light alarmResponse Time: InstantaneousWarm-Up Time: 20 SecondsBattery Type: 3 * AA 1.5V Alkaline Batteries (NOT Included)Duty Cycle: 3 YearsResponse Time: InstantaneousContinuous Operation Time: 9 hours(slightly vary with working condition)Probe Length: 35.5cm / 13.98inOperating Temperature: 050, Relative Humidity 080%Storage Temperature: 1060, Relative Humidity: 070%Item Size: Approx. 160 * 65 * 33mm / 6.30 * 2.56 * 1.30in (L * W * H)Item Weight: Approx. 175g / 6.17ozPackage Size: Approx. 23.5 * 14 * 4cm / 9.25 * 5.51 * 1.57in (L * W * H)Package Weight: Approx. 214g / 7.56ozPackage List:1 * Combustible Gas Detector1 * User Manuall