This is an original prop hologram storage device used in Star Trek: Enterprise episode “Oasis”. .It is approx. 2 7/8” x 2 1/2” in size and is made of machined aluminum and acrylic tubing with purple detailing. This episode guest starred Rene Auberjonois as Ezral (DS9’s Odo), crew member of an ancient stranded alien spaceship. It is eventually revealed that most of the crew were holograms.