Buy Hikvision 4K 8MP Turbo HD cameras for your CCTV system. Popular models DS-2CE76U1Y-ITMF & DS-2CE76U1T-IT3F . For use with DVRs that support 4K 8MP resulatition such as DS-7204HUHI-K1 DS-7208HUHI-K1 DS-7216HUHI-K2. To preserve the image quality of 8MP , you are advised to use high quality RG59 shotgun cable. Power supply is also critcal as you are advised ( by Hikvision ) to use 1 power supply per camera. There are also 2 new models of DVR which can record Hikvision 4K at higher frame rates - available soon.