This vintage Photo Electric Relay System from Radio Shack Tandy Corp. is a must-have for collectors and electronics enthusiasts alike. With a brand name like Archer-Tandy, you know you're getting a quality product that will stand the test of time. This particular model, the 275-489, was manufactured in Japan and is in brand new condition. It's perfect for those who enjoy tinkering with electronics or for those who want to add a unique piece to their vintage electronics collection. Don't miss out on the opportunity to own this rare gem!