A Camera Drone (Unoffical Name), is a type of recording device used by humans. It is probably used for play back on civilian owned video displays as entertainment or acknowledgement on current events. The Camera Drone resembles a Forerunner Sentinel.
Apperances
You can only see this device once in the game. It is shown in the Halo 2 Cinematic Cutscene Home Field Advantagewhich takes place on Cairo Station.