Compact fluorescent ballast, ballast type electronic, ballast family LumaPro, lamp type CFL, start type programmed, voltage 120/277, input watts 82, number of lamps 2, ballast factor 1, power factor greater than 0.97, min. starting temp. -17 degrees C, base type 4 pin, length 5-15/16 in., height 1-1/8 in., width 2-7/8 in., wiring type series, light out put normal, special features dual connector, number of F26DBX lamps 2, number of F282D/4P lamps 2, number of F32BX lamps 2.