General description The gas detector is designed to detect natural gas (methane), liquefied petroleum gas (propane, butane), and urban coal gas (alkanes, olefins, arenes). It features an audible alarm that activates when flammable gas concentrations exceed safe levels, ensuring your safety in various environments such as restaurants, kitchens, hospitals, hotels, oil factories, workshops, and gas stations. Technical specifications Audible alarm: 85 dB Power consumption: less than 2 watts Alarm activation concentration: exceeds 3% LEL Warm-up time: approximately 2-3 minutes Installation Standard EU plug design for easy plug-and-play installation No converter required Usage The display shows 0 under normal conditions When a gas leak is detected, the display will show numbers 1 to 9 and the letter A Long-press the cigarette lighter switch at the gas inlet for testing The alarm will sound until the ambient gas quantity drops below the alarm point Other information Material: fireproof ABS