High Precision Gas Leak Detector Combustible Natural Gas Propane Tester Sensor

Overview：【DETECTS MANY KINDS OF COMBUSTIBLE GASES】 Detects a large number of flammable gases, like methane, natural gas, propane, ethanol, coal gas, propane, benzene, ethylene oxide, hexane, N-butane, ethylene and more. Can be used by homeowners, professionals, or real estate agents. Reduce the risk of gas explosion and protect your family's life and property safety.【HIGH SENSITIVE AND QUICK RESPONSE】1-50000PMM or 0.1%-100%LEL alarm range. Large colorful LCD display gas concentration and device status in real time, so that you feel much safer when know the exact gas concentration in the air of your home at all times.Quick response within 2 seconds. Easy to set up and operate, works perfect.【AUDIBLE & VISUAL ALARM】Alarms continuously with tone and LCD display bar change and show actual concentration when detecting gas leak. Has a backlight LCD screen, visually display the gas level, easy to read in dark. Use batteries to operate and has a low-battery indicator (3pcs AAA batteries n