Ballast Height H (in): 4.25
Ballast Length L (in): 4.75
Ballast Width W (in): 3.875
Bulb: 250W Pulse Start Metal Halide
Input Wattage (W): 283
Nominal Voltage (V): 120, 208, 244, 277
Power Factor: Greater than .90
Starting Temperature F (C): -22 (-30)
Weight: 10.9 lb.