The First Alert Auto Fire Extinguisher is compact and can be stored in any car or vehicle. 5-B:C rated compact car fire extinguishers are ideal for use in automobiles. This extinguisher fights flammable liquid and electrical fires. It's also small enough to fit in the trunk. It includes a heavy-duty mounting bracket to keep the unit secure. Meets UL standards. Can be recharged by a certified professional when used. Made of a durable metal head that is designed to meet demanding needs. It also features a metal pull pin, with a safety seal, that deters accidental discharge and discourages tampering. The color coded gauge is easy-to-read, corrosion-resistant, and provides accurate measurement. Includes easy to follow, 4-step instructions right on extinguisher. The label is chemical resistant and waterproof, so you do not have to worry about it deteriorating. Class B & C Fire Extinguishers are designed to put out fires caused by flammable liquids and combustible gas.