Features: Foldable design is employed to greatly improve compactness without compromising quality and function. More accurate and safe flight is achieved using GPS/GLONASS dual-satellite positioning navigation system. 5.8G Wifi digital video transmission system is used. Integrated gimbal camera is capable of shooting stable 4K high-definition video. Includes infrared, optical sensors, 3-axis gimbal, waypoints, avoidance with 28 minutes upto flight time. Devo F8S transmitter Stick Mode can be Switch. Please refer to the operation method for switching and calibration.