Vintage Electric Eye remote Flash Unit for Kodak cameras, from the 1950s era.  Accepts M2, M5, M25, No. 5 and  No. 25 clear or blue flash lamps.  Unit takes three AAA batteries.  Flash unit comes with directions.  Unit is in the original box.  It does not appear that this has ever been used.  Unit is being sold AS IS, as it has been untested.