... two 2T SATA Hard disk 1 channel D1, 15 channel CIF support PTZ Smart phone view supported 16 Channel Car ... etc. Product Features:1. H.264 compression2. Two USB interface, USB2.0 for data backup, ... notes for selected menu items6. Optimized one four channel simultaneously play back7. Double level user management8. ... 1,VGA*1ResolutionLive: D1 Record: The 1st channel is D1 of real-time, the other channels ...