Hinkley Lighting 1561TT Harbor 18-Watt T-5 Wedge Base Light Bulb Low Voltage Path Light, Titanium Finish 7-1/2-Inch width 21-Inch height Compatible with 12-Volt lighting systems Includes 18-Watt wedge base light bulb, heavy duty composite ground spike and wire connection kit Die Cast Aluminum construction Coordinating Hinkley Harbor outdoor lanterns available