Compatible with BBS01, BBS02 and BBSHD motors. This USB programming cable allows connection of a PC and the 8fun Bafang BBS02 mid drive motorElectric bike kit in order to change the basic user level controller parameters, this does not allow for changing of the firmware and is safe for you to perform. You will NOT "fry"Your motor by making changes to these parameters. The changes have been made based onCustomer requests to improve the following complaints: make the throttle act as a throttle should instead of like an on/off switch, reduce current draw from 25 amps to 18 amps without impactingperformance to increase battery and motor life, enable full throttle in PAS levels 1-9, throttle over ride of max set speed limit (max speed only applies to PAS)Our interface uses the Prolific Technology CH340 to serial interface which is a popular device and superior to CH340 in our view.Please note: you must run the programme as administrator. Parameters can be altered to suit your needs. Only change parameters that you understand. Learn as much as possible before you change values and always make a backup copy of the settings.Colour: Blackmaterial: plasticPackaging included:1* USB Programming cableOnly the above package content, other products are not included.Note: Light shooting 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.