ET120 Klein Tools Combustible Gas Leak Detector

Combustible Gas Leak Detector Detection range of 50 - 10,000PPM methane gas, also detects Propane & Butane. 18" flexible gooseneck, audible & visual alarms via 5 red LEDs,includes carrying pouch. Electrochemical sensor, 5 - 7 year sensor life expectancy, no replaceable parts. operating temp. (32) - 122F. operates on 4 AAA batteries.