GUI graphical interface, support S-Chinese, English, French, Italian, German, Russian, Thai, Japanese, Spanish, Turkish; recording, playback, network triplex functionality, single, four screens playback simultaneously, manual / timing / alarm linkage / motion detection recording mode; time flow design, fast exact recording search; auto protect and auto resume; Two SATA interface, support 2 hard disk above 2TB. Support USB HDD / U disk / network backup;  support Client and IE remote view, enabling 10 customers to remote monitoring simultaneously; support TCP/IP, PPPOE, DDNS, Email etc network functionality; support Symbian, Windows Mobile, iPhone, black berry or Android system mobile remote monitoring; support IR remote control, USB and PTZ function, with mouse and remote control.