The SV411KUSB 4 Port USB KVM Switch Kit with Audio and Cables lets you control up to four 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 doesn\'t require an external power supply.A suitable solution for virtually any application the USB KVM switch supports video resolutions of up to 2048 x 1536 as well as audio switching. The USB KVM switch includes four 4ft 4-in-1 VGA and USB Host Cables providing everything needed for quick installation to provide a complete out-of-the-box KVM solution.Delivering dependable and convenient control of multiple computers from a single peripheral station the KVM switch is backed by a StarTech.com 2-year warranty and free lifetime technical supportThe StarTech.com Advantage Power-free operation – KVM draws power from attached computers and requires no power adaptersCompact small footprint design fits easily into almost any environment saving desk space and reducing clutterIncluded all-in-one KVM plus audio cables provide a complete out of the box KVM solution .