Sea Gull Lighting 9859-15 Ambiance 12-Volt 60-to-150-Watt In-Line Transformer, White 12-Volt Plastic Transformer Length: 7-15/16-Inch; Width: 2-Inch; Height: 1-Inch UL Listed for Dry Locations White Finish Length: 7-15/16-Inch Width: 2-Inch Height: 1-Inch