Camera drone
From Halopedia, the Halo wiki
A Camera Drone is a type of sound and video recording device used by Humans. It is probably used for playback on civilian-owned video displays as entertainment or acknowledgement on current events. The Camera Drone resembles a Forerunner Sentinel. They appear to hover on several air propellers.theese a probabily used to broadcast the films back to earth.
Apperances
You can only see this device once in the game. It is shown in the Halo 2 Cinematic Cutscene Home Field Advantage which takes place on Cairo Station.
