None of our DVR/NVR system require an internet connection to be used locally. The internet connection is used to allow remote connection using a smartphone app or PC client. These features won''t be usable, but the system will still work as a local security system with recording and storage.
These articles may help you:
- What kind of hard drive can be used with our DVR / NVR?
- How to set up record and playback on DVR / POE NVR / Wireless NVR?