Elco's HID Light Fixtures feature 120V, 39W, PAR20, PAR30 Metal Halide lamp options. The HID fixtures are designed to be used with Elco's 1 or 2 circuit track systems. Elco's HID track fixtures are well suited for retail and commercial environments where efficiency of lighting is crucial. PAR20, PAR30, and PAR38 fixtures include High Power Electronic Ballast and Glare Sheild.