Hi I I've installed my own home cctv system I upgraded 4 of my cameras to colourvu hikvision
3 off them are 5mp DS-2CE72HFT-f28
And the other is a 4mp ip one HikVision ColorVu DS-2CD2347G1-LU
My dvr model no. Is ds 7216huhi k2
Im looking to know how and what Is the best settings to use