Featuring a high-sensitivity catalytic sensor, our leak detector detects 0-100% LEL for methane, ethane, propane, butane, natural, LPG and other combustible gases quickly and accurately, ensuring safety for both home and industrial use. This natural detector has three alert modes: a beep, and flashing LED lights around the detector. The threshold is adjustable. As concentration rises, the frequency speeds up, helping you detect danger promptly and stay safe. The propane detector equipped with a 2500mAh rechargeable battery with Type-C charging, providing 16 hours of continuous monitoring. It automatically logs up to 180 records for efficient tracking and safety analysis. natural leak detector comes with a 2.8-inch color screen to display real-time %LEL readings, Max %LEL values, ambient temperature(℃/℉) and humidity levels; With auto/manual power off to conserve energy and a clip-on design for hands-free operation. Factory calibrated sniffers, just turn on to detect natural instantly. This propane detector with 2-Year sensor lifespan, it's must-have handheld detectors for home natural, RVs, water heaters, pipelines, coal mines and industrial safety. (Please allow 45 seconds for warm-up before operation!) 1 * Natural Detector 1 * Carrying Case 1 * Type-C Charging Cable 1 * Power Source 1 * Alligator Clip 1 * Instruction Manual (English) Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the United States, the Philippines,Taiwan and so on. Color: As shown Material: Metal Package Contents: 1*set natural gas detector