This USB Extension adapter allows you to connect your USB device to your computer at a distance of to up to 150ft with the help of a cat5/cat6 patch cable(not included). Also having your USB cameras, printers, web cams, keyboard/mouse extensions or any other USB device connected exactly where you want it without having to move around your computer. -Extends the distance of a USB device from a USB-enabled computer up to 150ft. Idea for use with USB cameras, printers, web cams, keyboard/mouse extensions and any other USB device. -Self-powered so no external power source is required. -Use standard cat5/cat6 patch cord(not included)