Dahua - 4K Penta-brid HDCVI DVR, 16 ch. up to 4K@15fps/4MP@30fps encoding H.265+/H.265/H.264+/H.264 video compression. Supports 16 ch SMD or 2ch perimeter protection or 2ch Facial recognition, and AI coding. Supports HDCVI/AHD/TVI/CVBS/IP video inputs Max. 32 channels of IPC access, each channel up to 8MP input 16/3 Alarm in/out, 4/1 Audio in/out 4 SATA ports, 4TB Included.