Up to 32 cameras with 1080p realtime preview. H.264 dual-stream video compression. All channel 960H realtime recording. HDMI/VGA/TV/Spot simultaneous video output. All channel simultaneous realtime playback, GRID interface & smart search. 3D intelligent positioning with Dahua PTZ dome camera. Support 8 SATA HDDs up to 32TB, 1 eSATA up to 16TB,4 USB2.0. Multiple network monitoring: Web viewer, CMS(DSS/PSS) & DMSS.