I can create a generic write-up for a video file. Here it is:
This video file appears to be a media file encoded in MP4 format. The filename "JUL-909-MR.mp4" suggests that it could be a video recorded in July, possibly with a specific identifier or code ("909") and an additional descriptor ("MR"). JUL-909-MR.mp4
MP4 Video File
JUL-909-MR.mp4