Hikvision NVR DS-7616NI-I2, 16-ch, 1-ch, RCA (2.0 Vp-p, 1kΩ), 1-ch ,RCA(Linear, 1kΩ), 1-ch, resolution: 1920*1080P/60Hz, 1280*1024/60Hz,1280*720/60Hz, 1024*768/60Hz, 4-ch@8MP,16-ch@1080P ,2SATAinterfacesfor 2HDDs, Up to 6TB capacity for each HDD,1RJ-4510/100/1000Mbpsself-adaptive Ethernet interface