The "useful feature" likely refers to one of the following common dashcam functionalities:

Based on the specific filename provided, appears to be a video file associated with a car dashcam or security camera feature , often shared in tech forums or social media to demonstrate specific hardware capabilities.

Real-time logging of speed and coordinates directly onto the video file.

If you are looking for a specific or trying to identify which app generated this filename, it is common for brands like Vantrue, Viofo, or 70mai to use randomized alphanumeric strings for cloud-synced or protected clips.

The ability to overwrite the oldest unprotected footage to ensure the camera never stops recording.