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.