This 4 Port KVM Switch Kit lets you control four 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 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 doesnt require an external power supply.A suitable solution for virtually any application, the KVM switch supports video resolutions of up to 2048 x 1536 and includes 3-in-1 (PS/2 and Video) cables to provide a complete, out-of-the-box KVM solution.Delivering dependable and convenient control of multiple computers from a single peripheral station, this high quality KVM switch is backed by StarTech.coms 1-year warranty and free lifetime technical support.