CCTV systems use these labels to ensure a searchable "paper trail" for surveillance events.
Software like OBS or Windows Game Bar often defaults to timestamps to prevent overwriting previous captures. 2021-09-27_15-53-52 video0mp4
Many brands (like Vantrue or Rexing) use this exact "Date_Time" format to help drivers find footage of specific incidents. CCTV systems use these labels to ensure a
If you can tell me or what is in the video , I can help you write a more detailed summary of the events it contains! 2021-09-27_15-53-52 video0mp4
This usually indicates it was the first file in a sequence or captured by the primary camera lens.
Some Android file managers rename media this way when moving files between folders or SD cards.