GY series flammable, explosive and toxic gas leak detector, high quality gas sensor, Combined with advanced electronic technology and sophisticated technology; In families where there is a gas and toxic gas, once liquefied petroleum gas, natural gas, city gas, the concentration of carbon monoxide, hydrogen gas, such as to set warning value, GY gas detector will send out sound and light alarm signal, faithfully remind you immediately take effective measures; Or start the linkage device to ventilate or close the air source, and eliminate the danger; Avoid fire, explosion, asphyxiation, death and other malignant accidents.