ca-hz4030u

  1. M

    Problem with DAHUA PTZ DH-SD59430U-HNI black screen random.

    Hello, The problem with the IP camera is as follows. At first, the camera shows a normal image when it is first turned on (it has not yet warmed up that much). The room I am testing the camera in is about 25C. Sometimes it can work for days, and sometimes after 20 minutes it starts to show a...