Description: 100% brand new and high quality 4-port KVM Switch No software required, no external power needed. LED displays monitor status Control four PCs with a single set of keyboard, mouse, and monitor Shares USB device such as USB Printer, USB Scanner, USB Flash Drive, USB HUB and etc Specification: Resolution: up to 1920x1440 Bandwidth: 250MHz Console Port:3 Computers Supported: 4 LED indicators: 4 Manual Push Button Switching Easy installation, just plug and play Supports DOS, Win3.X, Win95/98/98SE/2000/ME/XP, WinNT, Netware, Unix, Linux Package Includes: 1 x 4 Port USB KVM Switch 1 x English User Manual