The FP400 agricultural drone has three spraying modes: four centrifugal nozzles, dual centrifugal nozzles and pressure nozzles. Users can choose the appropriate mode according to different application scenarios. In spraying mode, its rated capacity is 35 liters, while in sowing mode, the rated capacity is 55 liters and the maximum load-bearing capacity can reach 40 kg. In addition, the newly launched wind pressure centrifugal nozzle and SP4 high-speed spreader can significantly improve agricultural operation efficiency. The FP400 drone is suitable for various farmland environments and can meet the needs of different users.