4K UHD 9CH NVR (4 WIFI + 5 wired cameras), 2x USB, HD and VGA Output, HD up to 4K (3840*2160), ONVIF support, Third-party ONVIF WiFi Cameras Supported, Live streaming to Android & iOS devices, 1x SATA HDD support up to 6TB, max. recording resolution: 4096×2160, H.264/H.265 HEVC Compression method (NVR9804PGW)