1.4ch video in .1VGA&HDMI out
2. 1ch RCA audio in/out
3. Resolution: 1920×1080 (1080P)
4.preview reach to 1080P@25fps, 1080P@30fps
5.4CH recording&4ch playback at the same time
6. Dual stream supported
7. 2USB; 2SATA- 4TB/HDD in Max
8.smart CMS;smart mobile phone app (android, iphone,etc ,)
9.plug-play, P2P