Oav885.mp4 -

(where "OAV" often stands for "Original Animation Video")?

or part number that uses this naming convention? OAV885.mp4

Knowing the or where you saw this file would help me identify its specific "good features" for you. (where "OAV" often stands for "Original Animation Video")

you have encountered (perhaps a security camera clip, a driver, or a firmware update)? or a firmware update)?