The Lindy Cat.5 USB Extender can be used to extend the distance between a USB device and a host computer by up to 50m. It consists of a local unit, which can be connected to the computer or laptop and a remote unit which connects to USB devices including webcams and storage devices, perfect for long distance access to files or in video conferencing scenarios.Standard, low cost Cat.5e/6 cable (not included) is used to connect the two units together.At lengths of up to 40m, the extender can be used in conjunction with a USB hub to extend multiple devices. A power supply can be connected optionally for use with high current USB devices.