Check whether the centralized power supply is used. If so, consider the problem of insufficient voltage. Another is whether the camera is too much, especially at night If not, check to see if the power line is too far away. Other lines or cameras should be OK
ZOL Q&A>radio>Other classifications>Some network monitors are installed, and the camera will not light up after a period of time. It will be fine if the power is cut off and reconnected
