USB Extender over Cat5, Cat5e or cat6 patch cable enables your PC, scanner, hub or keyboard being located in a remote location USB RJ45 extender kit is perfect for extra long distance devices connection up to 200 ft via RJ45 network cord, so you can have your device exactly where you want them Bus powered and no external power supply required for low power devices like mouse and keyboard (please don't use it for webcam, CAMERA, Televison) usb to rj45 extension adapter has a backup power Jack for high power devices like USB HDD, Hub device (please connected with DC 5V 1A power adapter with 3.5mm x 1.35mm plug, NOT Use a power adapter that exceed 5V 1A) USB to RJ45 adapter (USB 1.1 Specification) is well built with gold plated connectors and molded in solid shell, making the USB over Ethernet Extender a durable and stylish USB extension adapter