Ask the indicators of the surveillance camera!

What you said is a little too professional. It is estimated that only camera manufacturers can answer your question. This is my understanding. Please have a look first!

1. The most important indicator of a camera is sharpness. Analog is a line and numbers are pixels. The higher the better.

2. Wide dynamic simply means taking two photos of a picture, one strong light and one weak light (which can be understood as collecting all the strong lights of a picture, then collecting all the weak lights and taking the average).

3. With regard to infrared, the third generation infrared means that the infrared beam can be evenly distributed after being irradiated. The so-called second generation infrared light is light similar to a flashlight.

4. In the 4.osd menu, you can set the camera's wide dynamic, white balance, protocol and so on, basically all of which can be set.

I hope it helps you. I suggest you go to the weak electricity home and other related weak electricity websites to ask questions, and the answers there may satisfy you.