~Real-time surveillance
·analog output interface,VGA interface and HDMI interface,surveillance function through monitor or display.
Storage
·non-working hard disk dormancy processing which is convenient to radiate heat, reduce power and extend the  life-span
·special storage format which insures the data safety
Compression
·real-time compression by individual hard disk which insures the audio and video signal stable synchronization
Backup
·through SATA interface and USB interface such as USB equipment, removable hard disk and so on.
·through net download the files in the hard disk
Playback
·individual real-time video recording as well as searching, playback, network surveillance, recording check, downloading and so on
·multi-playback mode
·zoom at arbitrary region
Net operating
·through net tele-surveillance in the real time
·tele-PTZ control
·tele-recording check and real-time playback
Alarm linkage
··Alarm link video record,tour ,message,buzzer,e-mail,ftp
Communication interface
·RS485 interface which fulfills the alarm input and PTZ control
·RS232 interface which can extend keyboard connection to realize master,as well as with computer serial port connection for system maintenance and upgrade,and matrix control and so on.
·standard ethernet network interface which fulfills the telecommuting function
Intelligent operating
·mouse action function
·fast copy and paste operating for the same setting