B.Lite Ballast Controller (1000W Fixture Only)The ballast controller by B. Lite can help program 80 reflectors simultaneously. The installation and programming of the fixture can be done easily and quickly. You do not need a switchboard or select between day and night modes to set the grow light. The fixture is protected against short circuits for good performance. The B. Lite ballast controller is compatible with B. Lite 315 CMH, B Lite 1000W DE and B. Lite 630W CMH.