[Detect a variety of decomposable gases] Detect a large number of combustible gases, such as methane, natural gas, propane, butane, coal gas, gasoline, gasoline, toluene, water vapor, alcohol, ketones, carbon monoxide, etc. It can be used by homeowners,professionals or real estate agents to detect 50 to 10,000 units of gas per million. [High Sensitivity and Fast Response] There are two sensitivity settings, instead of quick response within 5 seconds like other handheld detectors. High sensitivity and low sensitivity can switch between different scenes. Allows users to quickly and easilydetect gas leaks in most hard-to-reach places around the equipment. [Audible and visual alarm] The 85dB tone continues to sound the alarm, and the LCD light turns red when a gas leak is detected. There is a digital backlit LCD screen, which visually displays the gas level, which is easy to read in the dark. Use batteryoperation and low battery indicator (2 AAA batteries not included). Power saving mode, if there is no operation and measurement signal, it will automatically shut down after about 10 minutes. [Small and portable] It has an easy-to-understand interface, and its switches and sensitivity buttons can operate the device with one hand. There is rubber on the outside, making it easier to hold. The pen-shaped design is easy to carry and operate. Lookfor a detector, even the smallest gas or other you may be unknowingly exposed to toxic substances. [Wide application] Put this handheld detector in the area where you think there may be a leak, and wait for the device to display the current gas level. It is widely used to detect gas leaks in lawn mowers, basements, RVs, factory work areas, gas stoves,water heaters and other household equipment to ensure safety and reliability. Safe and reliable gas leak tester. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.