ballast: 1000w & 600w Runs at 100%, 75% or 50% power *400w Runs at 100%, or 75% *Strike both Metal Halide and High Pressure Sodium Bulbs *Accepts 120v or 240v (Both cords included) *Allows 50 Hertz to 60 Hertz *Runs cooler than other digital ballasts on the market *The most stable output frequency of any ballast *Higher lumen output than magnetic ballasts also included: wing defector (19”x 12”)and 1000 watt metal malide bulb again all new and never used work. original boxes and manuals . also comes with 1000 watt bulb all new never used