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.CALIFORNIA ONLY WARNING: Cancer & Reproductive Harm AVERTISSEMENT: Troubles de l'appareil reproducteur ADVERTENCIA: Daos reproductivos y de cncer