This is a TRENDnet Tk207 2-port USB KVM Switch Cable Kit. It is a KVM Switch Box that allows you to connect two computers to a single monitor, keyboard, and mouse. The switch is powered and has an LED display. It is compatible with Linux and has a cable length of 4 ft. The connectors include D-Sub, USB, and VGA/SVGA D-Sub Male, with a 1:2 connection split/duplication. The item height is listed as a 2 Port Kit.