Introducing the Sun System Digital 250/400 complete grow light system! This state of the art fixture will run both 250 and 400 watt lamps. The integrated Galaxy electronic ballast allows operation of both metal halide (MH) and high pressure sodium (HPS) lamps and operates on 120 or 240 input volts. The fixture is lightweight, easy to set up, and includes a 120 volt power cord. This complete system is extremely durable and features a rustproof powder coated steel housing for increased durability. 240 volt power cord and bulbs sold separately.