If you are asking about a specific software feature that generated this video:
Since the filename "Video Dec 21, 10 09 54 AM.mp4" follows the default naming convention for or macOS screen recordings, here is how you can identify its "proper features": 1. Technical Metadata (The File's Features) Video Dec 21, 10 09 54 AM.mp4
Open the video in the Photos app , swipe up, and you will see the resolution, frame rate (fps), and file size. 2. "Feature" as a Software Function If you are asking about a specific software
If you saved a Live Photo as a video, it often adopts a timestamped name similar to this. 3. Contextual Content and you will see the resolution
Right-click the file and select Get Info . Look under "More Info" for dimensions, codecs (usually H.264 or HEVC), and duration.