4-channel input
           Third-party IP cameras supported with ONVIF conformance
           Support 1-ch HDMI, 1-ch VGA, HDMI at up to 4K(3840x2160) resolution
           Up to 8 Megapixels resolution recording
           Support H.265/H.264 video formats
           Accurate retrieval, instant playback
           1 SATA HDD up to 6 TB
           Support for P2P, UPnP, NTP, DHCP, PPPoE
           Support for mobile client access