Hatch MC70-1-T-UNNS - 70 Watt - 120/277 Volt - Electronic Metal Halide Ballast - ANSI M85/M98/M139/M143 - Side Leads With Track Mount Part Number: MC70-1-T-UNNS Wattage: 70 Watts Mounting: Track Mount w/o Feet Input Power: 120-277 VAC Universal Case Style: Micro-Slim 70 Watt Universal Micro-Slim Track with Leads Out Opposite Sides