Need a flexible economical way to control up to four computers from one monitor keyboard and mouse? This desktop KVM switch controls up to four USB computers from just a few square inches of desktop or shelf space. Rugged metal hot-pluggable functionality computer selection via hotkey commands or pushbuttons automatic monitoring capability and rugged all-metal construction make it ideal for use in home offices small offices or any other application where single-console control of multiple computers is required. Connector/Port/Interface: USB; Number of Ports: 4; Connects Devices (From/To): USB Computer to USB Computer; Color(s): Black.