Broan Model 157 Low-Profile Solid Wire Element Ceiling Heater N/A Imported 1250 watt 120 volt Radiant heat from an enclosed metal-sheathed element Low-profile housing with satin-finish aluminum grille extends only 2 3/4-inch from ceiling Mounts easily to any standard 3 1/2-inch or 4-Inch round or 4-Inch octagonal ceiling electrical box Minimum 15 amp circuit required