4-channel stand alone DVR

1. 4-channel Audio & Video compression separately, Audio & Video synchronized recording, no electronic amplify.
2. 4-channel stand alone, synchronized playback
3. H.264 video compression.
4. Resolution:  CIF
5. Multi-level bitrate self-defined, Adjustable image quality
6. Adjustable frames: 1F/S~25F/S
7. 4 channel alarm input,2 channel alarm output; Support motion detection recording, alarm recording, timing recording.
8. Support network, TCP/IP,LAN,WAN,ADSL
9. Real time operating system
10. List search, fast search, accurate search
11. Support bidirectional talk
12. Support network, USB, CD-RW Backup