NVR Hikvision IP 4 canale DS-7604NI-K1/4P; Ultra HD 4K; Support1-chHDMI, 1-ch VGA, HMDI at up to 4K(3840x2160) resolution; Up to 8Megapixels resolution recording; 4-ch network cameras can beconnectedwith 40M/60M/80M incoming bandwidth; SupportH.265/H.264/MPEG4videoformats; Audio Output: 1-ch, RCA; HDMI Output: |1-ch, resolution:4K(3840*2160)/60Hz, 4K(3840*2160)/30Hz,1920*1080P/60Hz, 1600*1200/60Hz,1280*1024/60Hz, 1280*720/60Hz,1024*768/60Hz ; 1 SATAinterface /6TB ;1U chassis; USB Interface x 2,USB2.0; 4Plug and Playwith up to 4 independent PoE network interfaces