Must be Divemaster SSi , at least 11 days , but an extra of 2 days is clever .
Free training, only SS fees have be pay, free acommodation ,lunch , brekfast.This training must be 3 month at least.
Good training, you get a good experience, Under supervision of the instructor trainer.
Cross-over for instructor CMAS, PADI , NAUI … to instructor SSI.
Training in 4 days.