One CAT5E/6 cable can instead of USB cable to transmit long distance. Using CAT6 cable support USB1.1 device transmit up to 60 meters. Using CAT6 cable can make the the low-speed devices transmit keyboard,mouse etc. device extend up to 120 meters. Compliant with USB 1.1 Supports major operating systems: , , Linux etc. Supports full-speed(12MB/S)and low speed (1.5Mbps) USB device. Plug and Play, no driver installation needed. Support swap function, plug and play. Simple installation. Specifications: USB input interface: 1x USB-B/F USB output interface: 4x USB-A/F Compatible USB version: USB1.1andUSB1.1 Wiring method: IEEE-568B Maximum working current: less than 120m CAT6 standard cable Input cable distance: less than 5m USB standard cable Output cable distance: less than5m USB standard cable Supportsdatatransterrates: 12MB/S Operating temperature range: 0~40 Celsius Operating humidity range: 5~85% RH (non-condensing) Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:black Material:Metal Voltage: AC220V Package Contents: 4 x USB Extender Transmitter 4 x USB Extender Receiver 4 Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.