"Overview\nTripp Lite's 4-port B022-004-R KVM Switch is the optimal solution for controlling 4 computers from one keyboard, mouse and monitor. Installation is a snap - just connect the PCs using Tripp Lite's P774-Series (PS\/2) or P776-Series (USB) KVM cable kits (Not included). No software or complicated set-up procedures are required. Easily switch between computers via the front-panel push buttons or keyboard hotkey commands."