Viewing screen

A viewing screen is a type of computer screen used for espionage. Most screens of this type are made possible by the use of cameras, which then transmit the image by television or some other form of transmission signal.

The Justice League Satellite makes it possible for images all over the Earth and even in many areas of outer space to be transmitted to the Justice League's viewing screen, which is the Justice League Monitor, located in the Hall of Justice.

The Raven's spacecraft had a viewing screen that he used for the purpose of targeting objects he was going to steal with the gravity field of a White dwarf.