KT&C - 16Ch. HD-TVI DVR, Connect 1080p/720p EZHD HD-TVI or 960H/SD analog to ANY input at any time, 480fps display, Real Time recording, H.264, Supports 4 internal HDD and up to 8 NAS disks. 5 Ch. Audio Inputs and 2 Ch. Audio Outputs, Two-Way Audio, Free DDNS. 4Tb Hard Drive Included.