Detail information:

SUBAL TTL V1 system can be equipped with electrical or optical cables. It is suitable for set of strobes:
• Sea & Sea YS-D1
• Sea & Sea YS-01
• Inon Z240
• Inon D-2000
• Inon S-2000

About 60% of all SUBAL older models of Nikon housings can be upgraded with this TTL system. It fits on holders for earlier version of SUBAL electronics for strobes and installation of device is very simple (like it is shown on photo below). SUBAL TTL V1 system uses two CD2032 batteries.