Requires the TQi radio system with the Traxxas Link Wireless Module(#6511), Traxxas Link receiver(#6518), Apple iPhone (4S, 5, 5C, 5S), iPod touch (5th generation and later versions), iPad (3rd generation and later versions), iPad mini, or Android 4.4 equipped device and the Traxxas Link App (latest version available free on Google Play and the App Store)