This is the Traxxas TQi 2-Channel 2.4GHz Transmitter
Receiver and Servos not Included.
Can be equipped with the Traxxas Link Wireless Module TRX 6511
and used with the iPhone, iPad or iPod touch* to create a graphical
user interface for the vehicle
Simple two-button programming interface
Built-in failsafe
Automatic model recognition recalls settings for up to 30 Traxxas
Link enabled models
Adjustable throttle and steering endpoints
Multi-Function knob can be programmed to control Steering Sensitivity
Throttle Sensitivity, Steering Percentage, Braking Percentage, or
Throttle Trim
Traxxas TQi 2-Channel 2.4GHz Transmitter
AA Batteries: Four for transmitter
Servos and receiver of modeler's choice
* Traxxas Link Wireless Module is not included and must be
purchased separately.