?Pneumatic constant height Stable hovering - Using advanced barometer to achieve hovering height, stable flight, easy aerial photography ?Follow the shooting function - The remote control must be more than 3 meters away from the body to activate the automatic follow function. Follow is to follow the remote control position is not to lock the character and shoot ? One-click recall of the aircraft - When you want to return the aircraft to the starting point during the flight, you can recall the aircraft by turning on one button. The aircraft automatically issues a warning when the flight exceeds the control distance ? Optical flow positioning (easy to control) - The image is acquired by the collector, and the displacement is calculated by the optical flow algorithm, thereby achieving precise positioning of the drone. ? trajectory pointing flight - In the case of mobile phone control, open the trajectory to fly, draw a flight trajectory on the screen, the drone can fly according to the trajectory