1. Record resolution: 352 * 288
2. Web server function, view via IE 6.0 browser
3. Live surveillance: select any channel audio as requested
4. User manager: add, modify, delete system as requested
5. Use friendly
6. PTZ support: RS485, local/remote PTZ/lens control
7. Support 8 IDE ( each can more than 200G), serial ATA
8. Stable design: software/hardware watch dog
9. Remote update via internet, remote maintenance
10. Monitor/VGA output port
11. Alarm record[...]