Attach your RGBlue System 01 or 02 Underwater LED Video Light to the top of a standard YS mount lighting arm with this YSAN-01 YS Adapter Set. This will enable you to add the light to your underwater video camera system and maneuver it into different positions for various lighting angles and effects. The YSAN-01 includes an adapter and a knob to facilitate secure connection and easy dismounting. An Allen wrench is included for attachment to the light's accessory mounting plate. The YS Adapter Set is included with the lights and offered here as a spare or replacement part.