JTL DRR Digital Remote Receiver for the Versalite D and Mobilight DC-600 Digital Series Monolights.

Digital Remote Receiver (DRR)... By Installing the DRR to the top of light housing and turning on your Versalite D, and Mobilight DC-600 the digital display will show you the light number and output reading. The 360o adjustable supporting holder makes sure that the DRR perfectly faces to the signal resource all the time for better reaction.