The sv211kusb 2 port usb kvm switch kit with audio and cables lets you control two usb enabled computers using a single keyboard mouse and vga monitor and offers both hotkey and top panel push button operation for simple switching between connected computers designed to integrate seamlessly into any environment the usb kvm switch offers a small footprint design roughly the size of a deck of playing cards and draws power from the connected computers so it doesn39t require an external power su