Nearly all drones have a Ground Station Controller (GSC) or perhaps a smartphone application, allowing for you to fly the drone also to keep monitor of the current flight telemetry. Telemetry info displaying around the remote controller many incorporate UAV array, top, velocity, GNSS power, remaining battery power and warnings. https://irvingz790viy3.humor-blog.com/27592620/new-step-by-step-map-for-what-are-drones