Why do most if not all security cameras have such bad quality?

Question

Phones nowadays have cameras that are so perfect in quality, yet security cameras are mostly always so grainy so why? You can get a phone with a perfect extremely high quality camera for a few hundred these days, sometimes even less

In: 139

Answer 1

I used to work for a producer of specialized ingredients, all made from fish products, and we had 12 cameras for 200k square feet place. We had to keep I believe 1080p recordings from all cameras for 90 or 270 days, depending on area, and that needed its own server room