The Velineon VXL-6s speed control is an all-new Traxxas design that incorporates advanced microprocessor control with sophisticated software for smooth powerful performance. The VXL-6s delivers real-time telemetry to the Traxxas Link app with the optional 6511 TQi Wireless Module (sold separately). The massive 2200 kV brushless motor lays down the torque and horsepower for blistering acceleration and screaming top speed.