action camera action camera /ˈækʃən ˈkæmərə/

noun

1. A small video camera that is used to for recording an immersive view of the action; typically worn or mounted in such a way that it can record from the point of view of the participant  ( action cam , action camera )
   a small video camera that is used to for recording an immersive view of the action; typically worn or mounted in such a way that it can record from the point of view of the participant