Up to 4 cameras with 720p realtime preview
H.264 dual-stream video compression
All channel 720P realtime or 1080P non-realtime recording
HDMI/VGA simultaneous video output
4 channel synchronous realtime playback
1/1 audio I/O, RS-485
Support 1 SATA HDD up to 4TB, 2 USB2.0
Multiple network monitoring: Web viewer, CMS (DSS/Smart PSS) &Smart Phone (DMSS)
