* Up to 4/8 cameras with 1080p realtime preview, H.264 dual-stream video compression
* All channel 720P realtime recording, HDMI/VGA simultaneous video output
* 4 channel synchronous realtime playback, GRID interface & smart search
* 3D intelligent positioning with Dahua PTZ dome camera
* Support 1 SATA HDD up to 4TB, 2 USB2.0, Multiple network monitoring: Web viewer, CMS(DSS/PSS)