The Vevor gas leak detector is designed to quickly identify combustible gas leaks in homes, RVs, and professional inspection settings. It features a high-precision sensor with a 50 to 10,000 PPM detection range and an 18.5" flexible gooseneck for reaching tight spaces. Visual and audible alarms help you locate leaks fast, while the LCD screen provides clear status indication. Thoughtful details like automatic calibration, battery level indicator, and auto shutdown enhance everyday usability. A protective case is included for convenient storage and transport.