SeaLife SL989 Underwater Photo/Video Sea Dragon Duo 5000 Video Light Set with 2 2500 Lights, 2 Grips, Dual Tray & SL944 Duo Case Sealife Sea Dragon Duo 5000F Set: Complete Lights, Arms and Tray System Adding Artificial Light to Underwater Video's is Key to Better Images Having the Best Platform to Provide Lighting is as Important as Artificial Light Itself Owner's Manual