This USB extension adapter allows you to connect your USB device to your computer at a distance of up to 50 m / 164 ft with the help of a Cat 5, 5e or Cat 6 patch cable (UTP, STP or SFP) - not included. This adapter will allow you to have your USB cameras, printers, web cams, scanners or any other USB device exactly where you want it without having to move around your computer.