THanks for the replies.
Yes but doesn't fix it.
It seems to do it more in the fall winter when there is a shadow over my driveway where the camera is. Even at midday though when over half of the picture is sunlight.
I believe I might be able to fix this if I could adjust my Day/Night...
Dahua is typical chinese quality = crap. I have the same problem, stuck in B/W, nightime mode. You get what you pay for but can't seem to find a good American manufacturer so I'm moving to chinese made, US QCed quality.