How Drone Works

Here is basics on Drone.A drone or UAV (Unmanned Aerial Vehicle) is an aircraft with no on board passengers and are remote-controlled or autonomously controlled, which can optionally carry a payload for its mission missions like – surveillance, exploration, transport, etc.
https://thecustomizewindows.com/2014/10/what-is-drone-or-unmanned-aerial-vehicle-uav/