The CS72U 2-Port USB KVM Switch is a desktop control unit that allows users to access two computers from a single KVM console (keyboard and mouse, audio and VGA monitor). With the CS72U, you can access computers conveniently using port selection pushbuttons located on the unit's front panel.1x CS72U 2-Port USB KVM Switch2x Custom KVM Cable sets 1x User InstructionsNote: The provided custom KVM cable set is custom-made to work with CS72U / CS74U, which transmits video, audio, and USB signals from the unit to the connected PC. There are two custom KVM cable sets available for purchase (1.2 m custom KVM cable set: LIN5-23X5-X31G; 1.8 m custom KVM cable set: LIN5-23X5-X32G). To purchase additional custom-made KVM cables, please contact your ATEN dealer for more information.