If you have a Fluence SPYDR 2 power supply that has the metal, screw-on (M12) dimming adapter port (as opposed to the plastic, push-lock dimming adapter port) then this adapter will allow you to attach Fluence M16 FLEX cables (e.g. T-Connector Cable or Dimming Signal Cable) to the M12 port. One end of the adapter plugs into the M12 dimmin