CCTV DVR H. 264 Network Digital Video Recorder 1.Support 2 USB DVR 2.PTZ, Audio, Network, 3. ... ;4. Dual-core CPU; Steady System Function;5. Playback, video, network transmission, mobile browsing, and backup etc. work simultaneously;6. Access to ... /IP, PPPoE, DHCP , DDNSIE Remote Preview1/4 channels preview simultaneously Mobile phone live viewsupport(Iphone, Android, Symbian, Blackberry, WM, etc.)Long ...