Features Include: Easy to install autopilot for power boats typically up to 30ft (9m). Built in rate gyro sensor with Raymarine AST Advanced Steering Technology gives superb steering performance and boat handling. Auto Learn technology simplifies calibration and enables the autopilot to automatically adapt to changing sea conditions. Smart Rudder Sens technology eliminates the need for a rudder reference sensor. Sea Talk R, Sea Talk NG, NMEA2000 and NMEA0183 compatible. Modular system includes: ST6002 Autopilot Controller, SmartPilot X-5 course computer, Rugged, cockpit mounted drive unit, Fluxgate compass. System can be expanded with multiple autopilot controls and wireless hand held remote controls. Suitable for fixed and tilt steering systems. Auto Speed Gain adjusts the amount of helm applied at different boat speeds for a smooth, safe ride. Course Memory:á After a manual course change to avoid an obstruction, simply press Auto for one second to return to your previous course.