Econogro Sun System X switchable remote ballast features die cast aluminum housing, cooling louvers, 6 Ft grounded power cord, optional 15 Ft detachable lamp cord, white powder coated finish. Switchable from HPS to Metal Halide with a "flip of the switch". Switch lamps for each growing cycle. Accepts all Sunlight Reflector lamp and socket cords; Optional adaptor available for use with Hydrofarm reflectors. 5-year rebuild or replace warranty.