There are some AVS IPC that work well with NUVIS NVR
HD212WIR3 and HD212VIR3 works with NUVIS NVR pretty good.
You need to UPDATE camera FIRMWARE then you can get video & motion record on NUVIS.
Use CYTE Xi firmware (3BD update).
https://drive.google.com/folderview?id= ... XJfY0lnQTA