| Model | DH-DVR0404ME-SC-GC |
| System | |
| Main Processor | Embedded processor |
| Operating System | Embedded LINUX |
| Video | |
| Input | 4 channel |
| Standard | NTSC (525Line, 60f/s), PAL (625Line, 50f/s) |
| Audio | |
| Input | 4 channel |
| Output | 1 channel |
| Two-way Talk | Reuse audio input/output channel 1 |
| Display | |
| Interface | 2 TV (aviation port) |
| Resolution | 800x600 |
| Display Split | 1/4 |
| Privacy Masking | 4 rectangular zones (each camera) |
| OSD | Camera title, Time, Video loss, Camera lock, Motion detection, Recording |
| Recording | |
| Video/Audio Compression | H.264 / G711A |
| Resolution | 960H (960 x 576/960 x 480) / D1/4CIF (704 x 576/704 x 480) / HD1(352 x 576/352 x 480) / 2CIF (704 x 288/ 704 x 240)/ CIF (352 x 288/352 x 240) / QCIF(176 x 144/176 x 120) |
| Record Rate | Main Stream: Full channel @960H (1~25/30fps) |
| Sub Stream: CIF/QCIF(1~25/30fps) | |
| Bit Rate | 48~1024 Kb/s |
| Record Mode | Manual, Schedule(Regular(Continuous), MD, Alarm), Stop |
| Record Interval | 1~120 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec |
| Video Detection & Alarm | |
| Trigger Events | Recording, PTZ, Tour, Alarm, Email, FTP, Buzzer & Screen tips |
| Video Detection | Motion Detection, MD Zones: 396 (22 x 18), Video Loss & Camera Blank |
| Alarm Input | 7 channel |
| Relay Output | 2 channel |
| Playback & Backup | |
| Playback Channel | 1 |
| Search Mode | Time/Date, Alarm, Motion Detection & Exact search (accurate to second) |
| Playback Functions | Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom |
| Backup Mode | USB Device/ SD Card/ Network |
| Network | |
| Ethernet | RJ-45 port (10/100Mbps) |
| 3G | Optional |
| GPS | Built-in high accurate GPS module (optional) |
| Network Functions | HTTP, IPv4, TCP/IP, RTSP, UDP, SMTP, NTP, DHCP, DNS, DDNS, FTP, IP Filter |
| Max. User Access | 10 users |
| Storage | |
| SD Card | 1 SD Card (No capacity limit) |
| Auxiliary Interface | |
| USB | 2 ports (1 front, 1 rear), USB2.0 |
| RS232 | 1 port, For PC communication & Keyboard |
| RS485 | 1 port, For PTZ control |
| General | |
| Power Supply | +6-36V |
| Power Consumption | |
| Working Environment | -30°C ~+60°C/ 10%~90%RH/ 86~106kpa |
| Dimension | 160 x 138 x 48mm |
| Weight | 1.0kg (SD Card Included) |
| Vibration-proof | 5Hz~300Hz: X / Y / Z each direction 8 hours |
| 5Hz~11Hz: Vibration amplitude 10mm | |
| 11Hz~300Hz: 50m/s2 | |
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