The Drain Plug De-Icer fits both plastic and metal stock tanks and is secured through the drain hole so that it cannot be thrown from the tank. With adjustable supports to fit any of the popular tank styles, the power cord features a separator so the cord may be pulled apart and threaded through narrow drain openings. Features automatic shut-off for low water level. Six foot power cord. CUL listed. 1500 watt. Wt. 2.5 lbs.