DVI Link Model DS-21R and DS-41R DVI Switches allow multiple digital video sources to share one video display(4*4 and 8*8 matrix routers are also availiable upon request.). Our unique DVI switch allows easy switching between multiple channels with remote control unit or manual switching button. Perfect for home theater systems, no more hassles of manually plugging in different DVI connectores to view different video sources(for example: DVD, Satellites Receiver and PCs).   Applications Home Theater Systems-Multiple Video sources and one HDTV. Monitorining System. Share multiple computers with one monitor-Ideal designers and architects. A great space saver.   Connection Features