e-Vision (TM), Electronic, HID Ballast, Ballast Start Type Pulse, ANSI Code C139, C98, M1, M139, M98, Metal Halide Ballast Bulb Type, Number of Bulbs Supported 1, Max. Bulb Watts 70 W, Input Voltage 120/277V AC, Input Watts 76 to 79W, -4 Degrees F Min. Starting Temp., Ballast Factor 1, Frequency 50/60 Hz. This item has been restricted from sale in the following state (s): []