Features:Compact Size: Portable gases detector, compact ABS body, waterproof and dustproof, quick response, detect leaks quickly.Semiconductor Sensors: Using quality gases-sensitive semiconductor sensors, high-precise and react very quickly, support more accurate measurement.Easy to Use: Convenient for users to safely detect and test a variety of combustible gases types, easyto meet different test needs.Measurable Gases Types (partial list): acetone, Acetylene, alcohols, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gases, paint thinners, propane, solvents.3-Color LCD Display: Clear definition three-color LCD display with backlight, it can automatically matching the appropriate color backlight according to the measured concentration.Multifunction Design: With temperature and humidity measurement function, 10 minutes no operate automatic shutdown function, and temperature units switch function.Sound&Lights Alarm: Sound and lights dual prompts, when detecting combustible gases sink leakage, the meter beeps and the concentration simulation bar increases.Sensitivity Adjustable: Three levels of sensitivity are switchable, you can adjust to high/middle/low level for different scenarios.High Safety: Push-lock battery cover design, easy to replace the battery, battery built-in and lock screws design makes the use more secure.Wide Applications: Suitable for water heating device detection, gases pipeline detection, etc.Specifications:Name: Combustible Gases DetectorMaterial: plasticsBattery: 3 * 1.5V AAA Alkaline Battery (not included)Display: 3-color LCD disply with concentration bar indicatorTest ranges: 50-1000ppm, 30%Detecting gases: combustible gasesAlarm mode: sound+lightsAuto power off: YesLow battery indication: YesTest Gases (partial list): acetone, Acetylene, alcohols, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gases, paint thinners, propane, solvents, etc..Temperature measurement ranges: -20 to 60 / -4 to 140Humidity measurement ranges: 0.0%-99.9%RHItem size: 143 * 59 * 27mm / 5.63 * 2.32 * 1.06inItem weight: 148g / 5.22ouncePackage size: 188 * 92 * 56mm / 7.40 * 3.62 * 2.20inPackage weight: 213g / 7.51ouncePacking List:1 * Combustible Gases Detector1 * Cloth Bag1 * Guideline