The SPLITMUX® DVI/ VGA Quad Screen Multiviewer allows you to simultaneously display video from four different computers on a single monitor. Additionally, the SPLITMUX can switch one of the four attached computers to a shared keyboard and mouse for operation. -Quad, Picture in Picture, Full Screen, Dual, and Fade Through Black display modes. -Independent video in to video out resolution. -Supports up to 1600x1200 VGA video resolution and 1900x1200 DVI video resolution. -Accepts analog and digital video signals simultaneously. -Connect analog and digital devices to the splitter, and display images on a digital or analog monitor. -Supports digital DVI and analog VGA. Equipped with On Screen Display ( OSD) . -Cascade SPLITMUX Quad Screen Splitters to display video from up to 16 video sources on one screen.