4 Port USB KVM SwitchOne console controls 4 computers from one monitor, keyboard and mouse. Shares USB device, 1 keyboard, mouse and monitor with 4 computers. No software required Support SVGA, VGA, and Multi-sync Monitors LED displays monitor status No external power needed Switch between computers by press a button on the KVM switch Shares USB device such as USB Printer, USB Scanner, USB Flash Drive, USB HUB and etc ... Specifications: High quality cable support Max. Resolution: 1920x1440 Computer Port: 4 Console Port:3 USB Port: 7 Computers Supported: 4 Keyboard Emulation: USB Mouse Emulation: USB Keyboard Input / Output: USB Mouse Input / Output: USB VGA Input / Output: High Density D-Sub 15 pin LED indicators: 4 Package included: 1 X 4-Port USB KVM Switch * Cable not included