Archive for the Dahua DHI-NVR1108HS-S3-H network video recorder, a 46.4 MB ZIP whose name lists only the model. It most likely holds firmware or a flash dump for restoring an NVR that fails to boot or has corrupted software. Inspect the files and any board codes they mention before use. Compare them with the PCB markings, read and save the current flash content with a programmer, and write only an image matching the chip capacity.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @laptopchiplevelrepair. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Built-in OS tools7-Zip