Use this electric blanket to protect engines and machinery from freezing in cold winter weather. Patented heat-spreading technology keeps fluids warm, hoses and pipes safe, and machinery tubing from cranking or breaking. U.S.A. Volts: 120, Watts: 1,200, Amps: 8.75, Heat Settings: Heats up to 160 F, Dimensions L x W (ft.): 9 x 4 Rugged vinyl outer shell No assembly required