20211025-1_1080pmp4

: Security systems often auto-name clips by date and segment number for easy archiving.

: This indicates the video resolution is Full High Definition (Full HD) , consisting of 1,920 horizontal pixels and 1,080 vertical pixels. The "p" stands for progressive scanning, which provides a smoother image than interlaced video. 20211025-1_1080pmp4

Files with these exact naming strings are commonly found in: : Security systems often auto-name clips by date

: This represents a timestamp in YYYYMMDD format. It indicates the file was created, recorded, or exported on October 25, 2021 . consisting of 1