From what I know, the quality of the image starts with the CAMERA 1st, everything after that is spec'd accordingly.
POE, IP Cam's are strongly suggested and make install simpler.
8-camera DVR is also strongly suggested, skip the 4-channel DVR if you own a home.
From what I am finding, better camera's 'start' at $200-each.
Yup, $2000 range for a higher resolution system.
Then, there is the user interface. Some of the wireless camera companies have a very good UI but, wired is more secure. Still researching this area.
Then there is the hard drive... that should be installed in a hidden strong-box.
Anybody have experience with the following company?
https://www.backstreet-surveillance.com/ All I know of them is that they have a real address and an effective website.
AN