Universal Lighting Technologies (Universal) offers a wide array of ballasts for high intensity discharge (HID) lamps. Applications include metal halide (MH), pulse start metal halide (PSMH) and high pressure sodium (HPS) lamps ranging from 35 to 1650 W. We're the technology leader in every category of HID ballasts. Our Universal Precise™ line is the latest innovation in magnetic core and coil technology in years.