16-ch video&1-ch audio input,H.265+/H.265/H.264+/H.264 encoding for the main stream,and H.265/H.264 for the sub-stream of analog cameras Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input, Up to 3 MP resolution for recording Supports real-time 1080p lite and when enabled, the image effect is similar with 1080p Up to 2-ch 4 MP IP cameras input,16CH synchronous playback Long distance transmission over UTP and coaxial cable: max. 800m for 1080p and 1200m for 720p HDTVI signal