DS-7B16HQHI-K2 HD-TVI DVR Video Input and Transmission Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input Up to 2-ch 4 MP IP cameras input Long distance transmission over UTP and coaxial cable: max. 800m for 1080p and 1200m for 720p HDTVI signal Compression and Recording 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 Connectable to H.265+/H.265/H.264+/H.264 IP cameras H.265+ can be enabled to improve encoding efficiency and reduce data storage costs Up to 3 MP resolution for recording Supports real-time 1080p lite and when enabled, the image effect is similar with 1080p Video Output Simultaneous HDMI/VGA output HDMI output at up to 4K (3840 x 2160) resolution for DS-7B16HQHI-K2 Separate CVBS output Storage and Playback 2 SATA interfaces (up to 6 TB capacity per HDD) 8/16-ch synchronous playback Smart search for efficient playback Supports the 3rd party cloud storage (Dropbox/Google Drive/Microsoft OneDrive)