What is the height of DJI drone flight based on

The flight altitude of DJI drones is based on the current take-off position. This means that if you take off from the ground, the flight altitude will be calculated from sea level; If you take off from the top of the building, the altitude will be higher, because the take-off point is above sea level. This setting ensures the safety of the UAV in most cases, and also meets the needs of different users in different environments. In addition, the flight height limit of DJI drones is usually 500 meters, which is enough to meet most aerial photography needs, ensuring flight safety and ease of management. In actual operation, users need to reasonably plan and limit the flight height according to local regulations and the specific performance of the UAV to ensure the legality and safety of the flight. ‌