17-11-2019-88155803.mp4 -

: This can sometimes reveal the GPS coordinates or the hardware serial number of the camera that recorded the footage.

: The string of numbers (88155803) often corresponds to the specific second or frame count relative to the start of the recording session on the DVR's hard drive. 17-11-2019-88155803.mp4

If you have access to the file and want to perform your own deep dive, you can use these tools: : This can sometimes reveal the GPS coordinates