Gas Detector, Natural Gas/LPG/Coal Leak Aalrm, 3 Pin Plug in Sensor Monitor with Sound Alarm and LED Digital Display, Methane Propane Butane Combustible for Kitchen Garage Hospital

{Safty Assurance} -- This Gas detector is mainly used to detect natural gas (main component: methane), liquefied petroleum gas (main component: propane, butane) and city gas (alkane, olefin, arene). When the flammable gas leakage exceeds the standard, the gas detector will issue slow or accelerated or rapid, continuous 85DB sound alarm. It can't detect CO and CO₂ {Digital display & Sound alarm} -- Number 0 showes on the gas detector indicator under normal conditions. If a flammable gas leak is detected, the indicator will showes numbers 1-9 and A. Once the concentration exceeds 3% LEL, the alarm sounds and flashes red. According to different concentration of combustible gas leak, the alarm will shows different states {Energy saving & Durable} -- Standard British plug, not required converter, installation is extremely simple. Plastic ABS material, easy to clean. Using