How aces NVR4108 dahua to HA?

me have NVR4108 (HA recognized like NVR4X-4KS2)
nvr have default ip
cameras are plugged to nvr port and theyr IP are 10.1.1.xx

me tryed add cameras to HA but unsuccesfully:(
please could smbdy help me ?

if i write to vcl media player this:
rtsp://admin:[email protected]:554/cam/realmonitor?channel=3&subtype=1
camera works

with HACS and DAHUA NVR not works
using ONVIF me tryed too and not works too

whan i added it to HA using “Generic camera”
i have there picture, but there are too big LAGS there… (in seconds)

thanx for help