Multiple recording / search categories: date / time, event, manual, schedule, alarm, motion detection.
Real time recording support: 120 fps for ntsc at cif image (100 fps for pal).
4ch video recording at the same time.
Pentaplex: live, record, playback, back-up and network at the same time.
Backup: cd-rw (option: dvd-rw), usb 2.0 and net backup supported.
Ptz camera control in local and remote area.

Network viewer:

Static, dynamic ip and ddns, support internet explorer and special client software.
Remote live monitoring, file searching, backup, playback and ptz camera control.
Remote configuration, firmware upgrade and event (alarm, motion) notification.
Full duplex two way audio transmission.