Generic 4 Ports USB 2.0 KVM Switch BOX Video Monitor VGA/SVGA Mouse Keyboard Color Black Support SVGA, VGA, and Multi-sync Monitors&lt;br&gt;LED displays monitor status&lt;br&gt;No external power needed (draws power from USB) Shares USB device such as USB Printer, USB Scanner, USB Flash Drive, USB Card Reader and etc&lt;br&gt;Mini KVM 4-Port switch allows you to control 4 computers with one monitor, USB keyboard, USB mouse, and USB printer. High VGA Resolution 1024x768, 1920x1440, 2048x1536&lt;br&gt;4 Computer Ports:&lt;br&gt;7 Console Port: 4 to connect to computers + 3 console ports for keyboard, mouse, etc Computers Supported: 4&lt;br&gt;Keyboard Emulation: USB / PS/2 &lt;br&gt;Mouse Emulation: USB / PS/2&lt;br&gt;Mouse Input / Output: USB&lt;br&gt;VGA Input / Output: High Density D-Sub 15 pin LED indicators: 4&lt;br&gt;size: 155 x 65 x 23 mm&lt;br&gt;Support Windows 3.x/98/ME/NT/2000/XP/Vista, Netware, Unix, Linux