| System: | 
                    
                      | Main Processor | High performance embedded microprocessor | 
                    
                      | Operating System | Embedded LINUX | 
                    
                      | System Resources | Pentaplex function: live, recording, playback, backup & remote    access | 
                    
                      | User Interface | GUI, on-screen menu tips | 
                    
                      | Control Device | Front panel, USB mouse, DAHUA keyboard, IR remote control, network    keyboard | 
                    
                      | Input Method | Numeral/Character/Denotation | 
                    
                      | System Status | HDD status, data stream statistics, log record, bios version,    on-line user etc. | 
                    
                      |  | 
                    
                      |  | 
                    
                      | Video: | 
                    
                      | Video Input | 16 channel, BNC, 1.0Vp-p, 75? | 
                    
                      | Video Output | 1 channel TV output, BNC, 1.0Vp- p, 75?, 1 VGA output, 1 HDMI    output | 
                    
                      | Video Standards | PAL(625Line, 50f/s), NTSC(525Line, 60f/s) | 
                    
                      | Video Compression | H.264 | 
                    
                      | Video Resolution |  |  |  | 
                    
                      | Format | NTSC | PAL | 
                    
                      |  |  |  | 
                    
                      | D1(4CIF) | 704 X 480 | 704 X 576 | 
                    
                      |  |  |  | 
                    
                      | CIF | 352 X 240 | 352 X 288 | 
                    
                      |  |  |  | 
                    
                      | QCIF | 176 X 120 | 176 X 144 | 
                    
                      | Video Recording |  | 
                    
                      | CIF/QCIF: PAL 1f/s~25f/s, NTSC 1f/s~30f/s; | 
                    
                      |  | 
                    
                      | 4CIF: PAL 1f/s-25f/s NTSC 1f/s-30f/s; | 
                    
                      |  | 
                    
                      | Dual encoding streams supported; | 
                    
                      | Video Display Split | Full and multiple screen display, 1 / 4 / 8 / 9 / 16 | 
                    
                      | Tour Display | Support | 
                    
                      | Image Quality | 1~6 level(level 6 is the best) | 
                    
                      | Privacy Masking | 4 self-defined four-sided zones for privacy masking for each    camera | 
                    
                      | Camera Lock | Camera locked for users | 
                    
                      | Camera Adjustment | Adjust color according to different time period | 
                    
                      | Video Information | Camera title, time, video loss, camera lock, motion detection,    recording | 
                    
                      | TV Output Adjustment | Adjust TV output color & display zone | 
                    
                      |  | 
                    
                      | Audio: | 
                    
                      | Audio Input | 2    channel, BNC, 200-2800mV, 30K | 
                    
                      | Bidirectional Talk Input | 1 channel, BNC, 200-2800mV, 30K | 
                    
                      | Audio Output | 1 channel, BNC, 200-3000mv, 5K | 
                    
                      | Audio Compression | G.711 | 
                    
                      |  | 
                    
                      | Video Detection &    Alarm: | 
                    
                      | Motion Detection | Zones: 396 (22*18) detection zones | 
                    
                      |  | 
                    
                      | Sensitivity: 1~6 (level 6 is highest) | 
                    
                      |  | 
                    
                      | Trigger recording, PTZ movement, tour, alarm | 
                    
                      | Video Loss | Trigger recording, PTZ movement, tour, alarm | 
                    
                      | Camera Blank | Trigger recording, PTZ movement, tour, alarm | 
                    
                      | Alarm Input | 16    channel, programmable, ground, manual open/closed | 
                    
                      |  | 
                    
                      | Trigger recording, PTZ movement, tour, alarm | 
                    
                      | Relay output | 3  channel, 30VDC, 1A, NO/NC, form-C | 
                    
                      |  | 
                    
                      | Hard Disk: | 
                    
                      | Hard Disk | 1 SATA port, 1 HDD supported | 
                    
                      | Space Occupation | Audio: 14.4MB/H Video: 56 500MB/H | 
                    
                      | HDD Management | Hard disk hibernation technology, HDD faulty alarm | 
                    
                      |  | 
                    
                      | Record, Playback &    Backup: | 
                    
                      | Recording Mode | Manual, continuous, video detection (including motion detection,    camera blank, video loss), Alarm | 
                    
                      | Recording Priority | Manual >Alarm >Video Detection >Continuous | 
                    
                      | Recording Interval | 1 to 120 minutes (default: 60 minutes), Pre-record up to 30    seconds, Post-record up to 5 minutes | 
                    
                      | Overwrite Mode | Support | 
                    
                      | Search Mode | Time/Date, Alarm, Motion Detection & exact search (accurate to    second) | 
                    
                      | Playback | 2 channel playback simultaneously, pause, stop, rewind, fast play,    slow play, next file, previous file, next camera, previous camera, full    screen, repeat, shuffle, backup selection | 
                    
                      | Digital Zoom | Selected zone can zoom into full screen during playback | 
                    
                      | Backup Mode | Flash disk/ USB HDD/ USB CD/DVD-RW/ Network download | 
                    
                      |  | 
                    
                      | Network: | 
                    
                      | Interface | RJ-45 Port (10/100M) | 
                    
                      | Network Functions | TCP/IP, PPPOE,DDNS, FTP, IP Filter, | 
                    
                      | Remote operation | Monitor, PTZ control, playback, system setting, file download, log    information | 
                    
                      |  | 
                    
                      | Auxiliary Interface: | 
                    
                      | USB Interface | 2 ports, 1 for mouse control, 1 for backup | 
                    
                      | RS232 | DAHUA keyboard, PC communication | 
                    
                      | RS485 | PTZ control | 
                    
                      | Environmental | 
                    
                      | Power Supply | 220V 50Hz / 110V 60Hz | 
                    
                      | Power consumption | 25W | 
                    
                      | Working Temperature | -10~+55 | 
                    
                      | Working Humidity | 10%~90% | 
                    
                      | Atmosphere Pressure | 86kpa~106kpa | 
                    
                      | Dimension | 1U, 375mmx285mmx45mm (W*D*H) | 
                    
                      | Weight | 2.35KG(without HDD) | 
                    
                      | Mounting | Desktop or rack |