Also all data transmission of this system is done via ethernet cables simple and stable.
My security camera is fuzzy at night.
Clean the lens with a soft and clean cloth.
Here are the solutions to fix your security ip camera video or images not clear or blurry at night.
Security cameras night vision can get blurry due to reflective objects in the camera field of view.
To solve the problem just start simply by removing the camera dome at night time if possible to observe if the glass is causing the blurry or foggy effect.
For example in summer there may be condensation in the morning on the outside of the camera lens.
The extension cable run may be too long.
If it it cloudy.
The infrared cut removal.
Check the security ip camera lens for dirt dust spiderwebs etc.
Condensation occurs on the warm side of the glass.
Best poe outdoor security camera system rlk8 410b4 the poe security system reolink rlk8 410b4 allows you to record videos via 4 poe ip rlc 410 cameras and store them to an 8 channel nvr.
I would test each one in day night and with different cables and connectors so that you can narrow down what the exact problem is.
When condensation forms on a security camera it can blur lenses and compromise image quality.
For example mirrors windows and objects made of glass.
Security cameras can be blurry because the lens might be out of focus the lens may be dirty water droplets on the glass dome are causing the light to reflect back into the lens the cameras image sensor is defective or the camera might be a low resolution camera which will look blurry compared to other high definition cameras.
When dealing with the security camera blurry at night problem the solution can be as easy as clean the camera dome glass or more complex as a bad camera or lens.
The light coming from infrared leds in the camera gets reflected back to the camera which causes noise and blur in the night view.
Part of the problem sounds like it could be a power issues with the cameras not getting enough power.
That means taking all the cameras off line and working on them one at at time.
Do not use harsh cleaners or aerosol cleaners that may harm the lens.
Long extension cables make it difficult for the signal to pass properly sometimes.