AS8800L Portable Smart Sensor, Mini Combustible Gas Detector, Detection Detector, with Sound and Light Alarm This 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: Brand Name: Smart Sensor Color: red + black Material: ABS plastic Detection Gas: Combustible Gas Sensitivity: Variable, Minimum 50 PPM (methane) Alarm mode: sound alarm and light alarm Response time: Instant Warm-up time: < 20 = "" seconds = "" = "" = ""> Battery type: 3 AA 1.5V alkaline batteries (not included) Duty cycle: 3 years Response time: Instant Continuous operating time: 9 hours (varies slightly depending on operating conditions) Probe length: 35.5cm/13.98in Operating 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 / 6.17oz Package size: approx. 23.5*14*4cm / 9.25*5.51*1.57in (L*W*H) Package weight: approx. 214g / 7.56oz Package list: 1 * Combustible Gas Detector 1 * Manual User.Items from Sheng Xinshun's shop