Traxxas XO-1 StupidFastRC

Here is the XO-1 out of the box! *Unlock the 100 mph speed only with the Traxxas Link App. Included high-speed gearing and High Downforce splitter are required for 100 mph operation. Unlocking 100 mph speed capability requires the Traxxas Link Application (download from the App Store) and an iPhone or iPod touch (sold separately). iPhone and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.