AS8800L Portable Smart Sensor, Mini Combustible Gas Detector, Detection Detector, with Sound and Light AlarmThis professional portable combustible gas leak detector with visual leak indicator, can detect gas leaks. All you need to know that the test instrument of high reliability in the use of all kinds of refrigerants, alkanes, fuel gas and fuel oil is of great value in the environment of universal instruments. Can be used to detect certain hydrocarbons (ethane, natural gas, ethane, propane, propane, pentane, hexane, diesel).Features:Portable detector to detect any combustible gas.The long flexible stainless steel probe reaches all areas.Audible solid-state probe and rapid automatic heating.Instant response, accurate leak position and low battery indication.Audio and visible leak alarm indication and adjustable sensitivity.Compact size, light weight, easy to carry and use.Specifications:Name: Smart SensorColor: red + blackMaterial: ABS plasticDetection Gas: Combustible GasSensitivity: Variable, Minimum 50 PPM (methane)Alarm mode: sound alarm and light alarmResponse time: InstantWarm-up time: < 20 = " seconds = " = " = ">Battery type: 3 AA 1.5V alkaline batteries (not included)Duty cycle: 3 yearsResponse time: InstantContinuous operating time: 9 hours (varies slightly depending on operating conditions)Probe length: 35.5cm/13.98inOperating Temperature: 0~50, Relative Humidity 0~80%Storage Temperature: 10~60, Relative Humidity: 0~70%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 * Manual User.Items from Sheng Xinshun's shop