A_27_ev.mp4 -

This is the most critical part of the filename. It signifies an Event or "Emergency" file. These are usually triggered automatically by a G-sensor (detecting a collision or sudden braking) or manually by the user pressing a "lock" button. mp4: The standard video file format.

Does this file belong to a specific brand of camera, like a , Thinkware , or 70mai , that you need help troubleshooting? a_27_ev.mp4

Typically represents the date (the 27th day of the month) or a sequential file number from that recording session. This is the most critical part of the filename