4Channel Penta-brid 1080N/720p Real-time WizSense Ai XVR H.265+/H.265/H.264+/H.264 dual-stream video compression Pentabrid (IP+CVI+AHD+TVI+CVBS) N+M [4+1 IP up to 2MP(20 Mbps) 4CH: 1/4 Playback HDMI , VGA ,simultanous video Output 1SATA port, up to 6 TB capacity USB 2.0, 10/100 Mbps LAN Interface, P2P Support SMD Plus, Full channel AI-Coding, Human/Vehicle Classification