pixels

Hi, I have a 2mp Dahua PTZ, that has been brilliant since 2019. However, recently, the past 2 or so months I have noticed a strange constant pixelation / noise at the bottom of the screen. It is there constantly. Whether there is movement in the scene or a still scene, change of light, shadows...

Hi all. First post, so please be kind. :) Let me start off by saying that we're building a new home out in the woods where any would-be perp could ply his trade quietly without alarming any neighbors, because we don't have any. Since we don't have the basic security of "prying eyes" of the...