This Auto fire extinguisher, model KD61-5BC, is suitable for use on Class B (liquids & gases) and Class C fires (energized electrical equipment). This unit is fitted with an easy-to-read gauge that tells you your fire extinguisher is charged and ready for use. It has a clear instruction label using graphics to show the steps required to operate the extinguisher. It features a rust and impact-resistant steel handle. This fire extinguisher comes with a UL-approved strap retention bracket, and has a 6-year limited warranty.