Since the name itself doesn't provide a description, you can identify what's inside by checking the following:

Could you tell me or what device it came from? This would help in narrow down exactly what the content is.

Some manufacturers include their model number in the default file save name.

If you found this file on a storage device, it is typically categorized by:

Open the file using a universal player like VLC Media Player , which can handle almost any .mp4 encoding and show you technical information about the video codec used.