1.Embed professional real times operate system;
2. Real time D1 preview and playback;
3. GUI operation interface, support USB mouse;
4. Alarm host functions, support external alarm signal input, video loss alarm, motion detect and camera cover;
5. Special designed file system, not use FAT, high-efficient, no fragment, support hard disk up to 4000GB capacity, can save the file several seconds before power-down, and is very safe;
6. Support up to 4 SATA hard disk. Support external SATA, for high speed backup and disk library;
7. Real disk sleep function, prolong disk life and save power, ensure more stable work;
8. Support limited bandwidth down load, support multi channel playback at client;
9. 8 channel record, 1 plus channel compression for network transmit, using one channel network bandwidth to transmit all 8 pictures;
10. Duplex voice talk back, either side can start and stop;
11. Hard disk backup, network backup, USB2.0 backup, and play backup files at local machine;
12. Full alert trigger type: disk error, fan error, motion, video loss, sensor;
13. Front panel information: display all the working mode of DVR, and which HDD is recording;
14. Preview froze, electrical enlarge play back picture, mini picture playback, 1-64X fast word playback, by frame playback;
15. Support IE browser, remote configuration, CMS software, SDK and demo;
16. USB capture, 3DDNS, mobile view(optional)