Sensitive gas leak sensor - Y201 gas leak detector for home with six red LED's (visual) and 85dB audible alerts. Leds & sound alerts warning for propane/gas leak. Sharper of the sound & brighter the of Lights, more gas leak. Various combustible gas detection - Portable natural leak detector is suitable to detect various combustible gas, such as methane, natural gas, propane, butane, Ethane, coal gas, gas oil, gasoline, toluene, alcohol, ketone and other flammable Gases. No worry about the combustible gas leak accidentally. Wide application - the propane sniffer detector widely applied with combustible gases, mists and residues, for the detection of flammable Gases leaks, such as gas Pipelines, propane tank Stations, cabin leaks, exhaust gas and fuel leaks. Flex probe - propane gas Detector with 12-inch flexible probe can locate and detect the leaks even in hard-to-reach & cone areas. Powered by: 3 x AAA batteries (not included) Best Seller - the techamor Y201 is the best selling gas Detector in the USA & Canada., Weight: 0.59083886216 Pounds, Manufacturer: Techamor