Woods, 2 Outlet, Black, Outdoor, 24 Hour, Digital Block Heater Timer 6" Power Cord, Programmable, On & Off Settings Per Day, Repeats Daily, Weatherproof Housing, Set Timer To Supply Electricity To Your Vehicle's Engine Block Heater 2 To 3 Hours Before Your Typical Morning Departure, Ratings 125V, 60 Hz/15A, 1875W Resistive/10A, 1250W Tungsten/8 A Ballast/Up To 1/2 Hp.