NHD-817 - 3MP PTZ Add-on camera Calculating... Last updated: December 29, 2025 23:19 NHD-817 Manual En Related articles NHD-850 / NHD-880 Customer Support How to Connect Cameras to an NVR (First-Time Setup Guide) How to Reset an NHD Camera NVR-8580 series - NVR8-8580, NVR16-8580, NVR8-8580RN, NVR16-8580RN