GUI graphical interface, Multilingual support(Chinese, English, Italy, Turkey, Thai, Russian, Japanese, French, Portuguese, Spanish);Preview with dual video output, Split screens independently; support preview and playback Zoom, zoom local function, PIP and freezing function. Intelligent security functions like motion detection, keep out detection, PTZ linkage, video loss detection, etc. Support IPhone, Android, Windows Mobile, Symbian & Blackberry mobile monitoring; support 1 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 IR remote control, USB and PTZ function, with mouse and remote control.