Features: 【Natural Gas CO LGP Detect】This Etiger ES-D6A gas detector mainly used in kitchen to detect the natural gas (Methane), CO(carbon monoxide) and LPG (Liquefied Petroleum Gas) leakage, prevent the potential gas explosion and protect family safety. 【85dB Alarm Sound】When the gas concentration is over a certain range, the buzzer will make a continue sound louder than 85dB and the red indicator will flash at the same time. 【Wide Applications】With self test function. Widely used in home, factory, school, shop, offices, villas, residential areas where fire prevention alarm is needed. 【New Design】High stability semi-conductor sensor adopted. Exclusive smoke intelligent algorithm, high sensitivity, no false alarm, strong anti-interference. 【Easy-to-install】AC power, directly plug-in the socket on the wall.