18525mp4 -

Many DVR and NVR systems (like Hikvision or Lorex) use numeric strings or timestamps as filenames.

Usually uses H.264 or H.265 (HEVC) codecs, which balance high quality with small file sizes. 18525mp4

Based on general file-naming conventions, here is what that file likely represents: Many DVR and NVR systems (like Hikvision or