The Double Control Box provides everything you need except the bulb and cable assemblies. It includes a new box (9.5" x 9.5" x 5"), (2) ballasts, photocell and GFCI plug assembly. Simply wire your existing bulb assemblies into the new Double Control Box by following the instructions provided and you’re all set. As always, we are here to assist you with any questions at 334-332-0003.