Russian unused vintage blood pressure monitor IAD-1 manufactured in 1991 - RARE!

Russian unused vintage blood pressure monitor IAD-1 manufactured in 1991 - RARE! I am offering a Russian unused vintage blood pressure monitor ИАД-1/IAD-1/ manufactured in 1991. The device works with 6 AA batteries, but has not been tested and therefore I am offering it as NOT WORKING, but perfect for a collection - you will receive what you see in the pictures. Good luck and enjoy your auctions. If you have any further questions, please do not hesitate to contact me.