The Hero is a rugged 1000W convertible Magnetic Ballast enclosed in an extruded aluminum case. The Hero is the absolute best value Magnetic ballast on the market today. Over built and under rated the well built Hero Magnetic Ballast runs virtually as cool and quite as higher priced digital ballast. This Mag gives all gardens large and small a dependable H.I.D power source. Run HPS or MH Bulbs with a flip of a switch, Plug and Play 120 or 240-volt input. (No wiring necessary cord included)