8 foot LED Light for replacement of fluorescent tubes. Requires minor rewiring to bypass ballast. THIS LIGHT TURNS ON WHEN YOU FLIP THE SWITCH. A simple, bright and more efficient replacement for existing fluorescent light bulbs. Try Just One Pair and You Will Never Go Back to your annoying fluorescent. NOTE: All bulbs in the fixture must be changed to Nature's Electric LED bulbs. You cannot mix fluorescent and LED bulbs in a fixture. NOTE: Requires rewiring the fixture to bypass the ballast. Wire Nuts and Instructions included.