e-Vision(TM), Electronic, HID Ballast, Ballast Start Type Pulse, ANSI Code C156/M156, Metal Halide Ballast Bulb Type, Number of Bulbs Supported 1, Max. Bulb Watts 20 W, Input Voltage 120 to 277V AC, Input Watts 24W, -4 Degrees F Min. Starting Temp.,...