This de-icer will rest safely on the bottom of the stock tank, electric pond or as a fountain water warmer. It comes complete with a metal guard that will protect rubber, plastic, or structural foam tanks. Comes with the same safety shut-off system found in the floating models. UL (Underwriter's Laboratories) listed. 1500W. No. 15N: Type: Sinking De-Icer w/Guard, Wattage: 1500W, Cord Length: 6', Pkg Qty: 1, Package Type: Box Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!