Features:Compact size and light weight, the combustible gas detector adopts double body protection, safer for operation and portable to carry with you.Flexible metal hose and metal induction can reduce interference, which is suitable for all kinds of scene detection.Use high performance sensor, it has high sensitivity, quick response, good reliability, and accurate leakage detection.HD VA reverse color screen, digital and analog dual display, easy to read.%LEL and PPM measurement units switch.APO button for one key turn off and turn on the Auto Power Off Function.Sound alarm and LCD display visible leakage alarm.The detector is suitable for gas pipeline leakage detection, domestic gas , oil and gas exploitation, tunnel and mine operation, chemical industry, metallurgy, refining and chemical industry, biochemical medicine and other industries.Specifications:Material: ABSDetecting Gas: Natural gas, coal gas and liquefied petroleum gasDetection : 1L/minGas Resolution: 1%LEL/1PPMTemperature Resolution: 0.1 / 0.2Gas Measurement : 0~LEL / 0-50000ppm(automatic)Temperature Measurement: 0~50 / 32~122(2/4)Measurement Accuracy: 5%Sampling Mode: Diffusion typeResponse Speed: 2 secondsCalibration Mode: Automatic calibration after starting up for 30 secondsAutomatic Shut-down: About 10 minutesColor VA Reverse Display Screen: YesType of Alarm: Sound, screen displayPreheating Time: 30 secondsWorking Current: 190mAWorking Environment: 0~50, 0~70%RHStorage Environment: -10~50, 5~95%RHLength of Flexible Metal Hose: 270mm / 10.63inPower Supply: 3 * 1.5V AAA battery (NOT included)Item Size: 130 * 73 * 33mm / 5.12 * 2.87 * 1.30inItem Weight: 230g / 8.11ozPackage Weight: 400g / 14.11ozPackage Size: 21.5 * 11 * 4.5cm / 2.87 * 4.33 * 1.77inPacking List:1 * Gas Detector1 * Storage Pouch1 * Manual (English)