16 Channel 1U 4K & H.265 Pro Network Video RecorderSmart H.265+/H.265 / H.264+/H.264 / MJPEG codec decodingMax 320Mbps Incoming BandwidthUp to 12MP Resolution for Preview & PlaybackHDMI / VGA simultaneous video output3D intelligent positioning with Dahua PTZ cameraSupport 2 SATA III Ports, Up to 20 TB 2 USB Ports (1 Rear USB 3.0 , 1 Front USB 2.0 )4 Alarm Input, 2 Relay Output , RS4851*10/100/1000Mbps Mbps Network CardP2P supportSmart Detection: Missing Abandon Detection, Face Detection, Heat Map, Tripwire, Intrusion, Peaple Counting