Good performance:This USB to RJ45 extension adapter connects USB devices up to 150 feet away to your computer by going over Cat-5/5e/6 patch cableNOT INCLUDED in Package,Overcome the length limits of USB cables.Widely Use:This USB 2.0 to RJ45 Extender Over Cat5/Cat5e /Cat6 Cable Connector Adapter is ideal for use with USB camera, printer,web cam,keyboard/mouse extensions,and other USB devices.Important: standard above CAT5 copper wire,the core of the copper wire should be 0.5mm,if the USB harddisk cannot work,it might be the low power,you should power the harddisk with double head USB charger cable.Distance and adapters may affect the performance of some devices down to USB 1.1 speed.USB extender input Interface :USB 2.0,compatible with USB 2.0,USB 1.1.Plug and Play:USB to RJ45 Extension Adapter Self-powered, no external power source is required.plug and play,no driver needed.Delivery quantity: 2 pieces Product color: black Adopt new USB transmission technology, which is more stable and more adaptable to industrial environment Supports USB1.1 USB2.0 USB3.0 interfaces, and is compatible with almost all USB devices Extend the USB interface of the computer to 50 meters according to the actual demand, and the maximum distance of low-speed equipment is 100 meters Single network cable is used, no external power is required, and it is easy to use and install No driver required, easy to operate Hot pluggable USB device Low energy consumption, low heating, no need for additional power Compact equipment, easy installation