The DVI Detective is a unique and useful little device that reads and stores a computer's digital video information (EDID). Product Code - EXT-DVI-EDIDN.

The Gefen DVI Detective Plus allows you to switch or relocate HDTV or Computer video displays while "tricking" the source devices into thinking that the display is still present - maintaining smooth video operations throughout the process. Product Code - EXT-DVI-EDIDP