4K UHD 16CH NVR, 2x USB, HD and VGA Output, HD up to 4K (3840*2160), ONVIF support, Live streaming to Android & iOS devices, Third-party Network Cameras Supported, Up to 8MP Resolution Recording and Playback, 2x SATA HDD support up to 12 TB, max. recording resolution: 4096×2160, (NVR9816A)