If you're flying within the United States, you need to take heed of FAA guidelines—or be prepared to face potential fines or jail time. There are no-fly zones set by the FAA, so don't take off if you're near an airport without notifying the control tower first. And, even if you're out in the middle of nowhere, don't take your drone above 400 feet. Most are set to obey these regulations out of the box, but controlling a quadcopter is just like driving a car—even if you missed seeing that speed limit sign, you're still liable to pay the ticket.
With headless mode, you don’t need to worry which way the drone is facing because your controller is the basis for the drone’s orientation. In other words, whichever way the controller is pointing is the way the drone is pointing. This will help you master all aspects of drone flight, and as such it is one of the top features that beginners should consider.
Many manufacturers mount cameras inside the body of the drone. This is acceptable for casual photography, but if you want more professional results, consider adding an external camera mount, or gimbal. Gimbals allow you to place your video or still camera in front of the drone body, away from the vibrating motor and rotors. Gimbals can swivel and pivot, providing you with additional control over your imagery.
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