"Powerblanket's patented GreenHeat technology efficiently heats, thaws, and melts ice, snow and frost, even in sub-zero temperatures. Prevents concrete freezing and cracking, reduces cure time and increases concrete PSI. Warms engines and batteries. Convenient 12V hookup. Includes adapters. U.S.A. Assembly Required No, Cord Length ft. 6, Dimensions L x W ft. 4 x 4, Heating Capability sq. ft. 16, Volts 12, Amps 23.33, Watts 280, Weather Resistant Yes, Plug Type Standard 3-prong."
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