20 WATT L SERIES LINE VOLTAGE TRACK HEAD HID LARC - WHITE - Length: 4 1/2" - Width: 3 1/8" - Height: 9 3/4" - L TRACK SYSTEM - For use with HID ES16 lamping - Energy efficient high power factor electronic ballast - Provides a cost effective lamping solution - UL listed - The Metal Halide lamp provides excellent color rendering for retail, display and exhibition applications