1. built with 15.6'' LCD, with TV function
2. 4ch video input, 1 ch video output
3. 2ch audio input, 1ch audio output
4. compression format: Modified MJPEG
5. Web transimition: MPEG4
6. support VGA, PTZ control
7. support motion detect, loss detect, auto switching, buzzer output
8. support brightness adjust, contrast adjust
9. support remote control
10. support 1 SATA HDD (more than 500GB)
11. support symbian s60 v3.0. mobile pocket PC
12. support recording and playback at the same time
13. support remote playback
14. support internet function