- MPEG-4 Compression - Displays up to 480 frames in NTSC (PAL - 400 frames) - Records up to 300 frames in NTSC (PAL - 150 frames) (with normal mode recording) - High Resolution: 704x240, 352x240, 352x120 (NTSC), 704x576, 52x288, 352x144 (PAL) - Journaling File System: Self-check functions that allow self-diagnosis and self-recovery when exceptions occur - 4-Channel Voice Recording: Simultaneous recording and playback (Full-duplex) - N/W (LAN/T1/E1/ADSL/DSL/ISDN/PSTN access) - Ethernet (10/100Mbps), RS-232, SCSI - 20-sensor inputs and 8-port alarm outputs - User authorization-based system use - User authentication through login - Power password protection and system setting password available - System activated by remote control - GUI (Graphical User Interface) setting menu available - Time-based scheduled recording by camera/Manual recording/Sensor interface recording/Motion detection (Motion detection) recording functions Auto gain control; Various image controls (e.g. zoom in/out) - Auto noise removal for recorded images - Simultaneous control of multiple operations such as recording, playback, backup and network