ECCI HDUSB high resolution control interface kit for USB port. Intended for conversion of 6000 series Logitech compatible pedals, will change the pedal unit to an independent standalone USB controller. Includes interface board with mount, cables and potentiometers. 3 pedal kit. HDUSB module installation guide is at http://www.ecci6000.com/Instructions/PedHDUSB.htm . Pots are included in the kit as it is always a good idea to refresh the pots when doing electrical modifications, but if the pots are currently in good operating condition it is not absolutely necessary to install the new pots. Pot and wiring installation guide is at http://www.ecci.net/Instructions/6000HDusbPotService.htm .