This is a Mamiya Remote Control Set RS401 for all Mamiya 645 Super, 645 Pro, and all Models of the RZ67 including the RZ67, RZ67 Pro II, RZ67 Pro IId, and RZ33.

This remote will allow you to fire up to 3 different cameras.  It is a Mamiya product designed specifically for Mamiya Cameras.

These Units are BRAND NEW and come factory fresh as you can see.  Includes the instruction booklet.