Too much or little knowledge is confusion, How can you decide if you are confused. Like for example buying a Security camera system for your home.
The will best value for the money?
H.265 is better than H.264?
4K is better than 1080P
4K is better than 4 MP
What is WDR? Why I need it? Why WDR cameras expensive?
According to me, WDR camera is usually helpful when the camera is mounted in the shade and looking at sunlight. It automatically adjusts itself to produce a better picture. It merges black and white image to color image and projects a better image.