ABS [ Propane/ Methane Detector ] The natural gas detector can monitor a variety of combustible gases: methane, propane, butane, ethane (exists in LNG and LPG). It is widely used in homes, kitchens, garages, travel trailers, RVs, campers, food trucks, restaurants, hotels, and so on. This gas detector can decrease the risk of harm resulting from gas leaks, protecting you and your family. [ Install Easily with Power Cord ] Included a power cord which will allow you to install this natural gas sensor at the ideal location in your house for nice gas detection. Different gases require different installation positions: methane or natural gas should be about 12-20 inches from the ceiling; propane or butane should be about 12-20 inches from the floor. For more details, you can check the USER MANUAL on this product page. [ Sound Alarm at 85 dB ] The natural gas leak detector will sound alarm with an 85dB siren to remind you when the gas concentration in the air reaches 8% LEL. It will continue to alarm until the LEL drops to 0% or you click the TEST button to silence it. [ Digital Display & Accuracy ] With a clear LCD display screen, it is easy to read, and real-time gas levels let you know the exact gas concentration in the air of your home at all times. This simple and elegant natural gas alarm will replenish the style of your home or camper without impact your interior design.