The optical fibre connects the light to the controller arm allowing the diver to remotely operate the lights when connected to a camera tray. You can control up to two lights simultaneously with one controller arm. This is the 2 meter cable length. The Optical Fibre cable can be used with the Remote Control units on the following lights:
VL10000PRC/CB10000PRC/CB11000PBRC
VL15000PRC/CB15000PRC/VL18000PBRC/CB16500PBRC
VL33000PRC/VL36000PBRC
