4-port manual KVM switch with mini pocket design, light and easy to use. USB2.0 port Support smart mouse, network mouse and so on Support DOS, Win3.X Win95 / 98 / 98SE / 2000 / ME / XP, WinNT, Netware, Unix, Linux support for hot-swappable, do not need to turn off the KVM switch and the computer can plug in or unplug the connected computer excellent picture quality, resolution up to 1920 x 1440, bandwidth: 250MHz no software control, you can select the host computer to be operated by the button there is automatic monitoring function for monitoring the host running LED for monitoring status A beep sounds when the port is switched No software required Support SVGA, VGA, and Multi-sync Monitors LED displays monitor status No external power needed 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 Support: DOS, Win 3.X, Windows 95/ 98/ 98SE/ ME/ 2000/ XP/ Vista, WinNT, Netware, Unix, Linux. Shares USB device such as USB Printer, USB Scanner, USB Flash Drive, USB HUB and etc ... This KVM switch can controle multiple PCs from One Keyboard, Mouse and VGA Monitor. It has complete keyboard and mouse emulation for simultaneous PCs boot-up process. Cables(not include) Connection: connect VGA of computer A to PC1, VGA of computer B to PC2 connect USB mouse/keyboard/printer to the 3 USB console ports connect USB cable from computer A to USB1, USB cable from computer B to USB2 Colour:black Material:ABS Size:15 x 6 x 2.3cm Package Contents: 2 x converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.