Compatible：The programming cable is only compatible with BAFANG BBS01B BBS02B BBSHD 250W/350W/500W/750W/1000W mid drive motor. Function：Access the custom program settings. Enable full throttle in PAS levels 1-9, throttle over ride of max set speed limit (max speed only applies to PAS). Battery performance and motor life can be improved by modifying some parameters. Parameters：Waterproof Connector, 5 PIN Female, Cable Length: 40 Inches. How to use：Compatible with Windows 7, 8 ,10. You must run the program as an administrator. Reprogramming your drive may void your warranty. You can the QR code on the label of cable to download programming software and user's manual. Or you may search "A Hacker’s Guide To Programming The BBS02 & BBSHD" for more information. E-Mangue Ebike USB Programming Cable for BAFANG BBS01B BBS02B BBS HD Mid Drive Motor, Waterproof Cable Connect with Display Brake Thumb Throttle Electric Bicycle Conversion Kits Accessories