E-SDS 4 Port USB 2.0 KVM VGA Switch Box Adapter for PC Keyboard Mouse Monitor Control four PCs with a single set of keyboard, mouse, and monitor Do not including cables Maximum resolution 1920 x 1440 Easily installed - Plug and Play,4 LED indicators Compatible with 98/98SE/2000/ME/NT/XP/VISTA/XP 64bit/Vista 64bit/Win 7/Netware/Unix/Linux/Mac