This fire extinguisher from Shield Fire Protection contains 2.5 lbs. of ABC dry chemical, a multipurpose extinguishing agent that is rated for use on three different classes of fires. This extinguisher is designed for use on common combustibles such as paper and wood, flammable liquids such as gas and petrolium oils, and safe to use on energized electrical equipment. The Auto FX extinguisher is the right choice for fire protection of cars, trucks, RVs, and boats. Rugged all-metal construction and baked-on powder coating ensures that this extinguisher will protect your valuable assets for years to come, even in harsh marine environments. D.O.T. compliant and US Coast Guard Approved Operating temperature range: -65° to 120° F Rechargeable