Are you having problems with Camera timing wrong? Please use the NTP function.
NTP will help the Camera, the DVR to update the current time automatically when there is an Internet signal.
NTP activation instructions:
1. Enable NTP on DVR 4.0 interface
2. Enable NTP on Cameras and DVRs with the old interface 3.0
3. Enable NTP on Camera with new interface 5.0
Thank you for following the article. Good luck with your installation!!!