Optical and Wire Manual Trigger for NAUTICAM underwater housings.
Internal Optical/Electrical Manual Trigger (for Nikon) for NAUTICAM underwater housings: NA-D4, NA-D4S, NA-D600/D610, NA-D750, NA-D7100, NA-D7200, NA-D800, NA-D810, NA-D850
Use 6 pin bulkhead for electrical sync.
Batteries included.
