About This Effective Gas Leak Detector: The explosive gas detector detects leaks of methane/natural gas, propane, hydrogen gas and LPG combustible gases. Rechargeable: Built-in rechargeable 2200mAh high-capacity lithium battery, charging time:4-7 hours, working time:>8h(working continuously in normal working status) Visual and Audible Alerts: The quantity of LED lights and sound frequency will show the gas concentration, with gas concentration increasing, LED lights will be turned on and the buzzer frequency increases User-Friendly & Durable Design: The JL269 gas detector have simple and easy to understand design, LED lights are more energy-efficient, offering up to 8 hours of battery life so you never have to worry about dead batteries Widely Used: Designed for inspectors, utility workers, refinery workers, maintenance engineers and technicians Overview Brand : WeGoIOT Style : Portable Gas Leak Detector Power Source : Battery Powered Color : Blue Product Dimensions : 1.3"D x 2.7"W x 7.3"H Item Weight : 0.66 Pounds Alarm : Audible And Visual Operating Humidity : 10-93% Relative Humidity Compatible Devices : Hydrogen, Methane, Natural Gas, Propane Upper Temperature Rating : 60 Degrees Celsius