Sunlights Galaxy Electronic remote ballast and 26.25"x13"x8" Super Sun2 Horizontal reflector, lined with a 95% reflective aluminum insert for high luminescence, and louvered on both sides. Includes Tempered glass lens and 6 inch built-in air cool fittings. Sunlight electronic remote ballast features an extruded aluminum housing that will never rust and has excellent heat dispensation qualities. Extremely efficient - 99% power factor and saves energy compared to HID ballast systems. Electronic ballasts will operate eith HPS or Metal Halide lamps and are voltage specific, Choose a 400W 120V-240V, 600W 120V-240V, 1000W, and 1000W 240V lighting system. 2-year rebuild or replace warranty.