| Model |
DH-DVR0404HE-AS |
DH-DVR0404HE-AN |
| System |
| Main Processor |
High performance embedded microprocessor |
|
| Operating System |
Embedded LINUX |
| System Resources |
Pentaplex function: live, recording, playback, backup & remote access |
| Control Mode |
Front panel, USB mouse, IR remote control, Keyboard, Network |
| Video |
| Input |
4 channel, BNC(1.0Vp-p, 75Ω) |
| Standard |
NTSC(525Line, 60f/s), PAL(625Line, 50f/s) |
| Output |
1 VGA, 1 TV, 1 Spot, BNC(1.0Vp-p, 75 ) |
| Audio |
| Input |
4 channel, BNC(200-2800mV, 30KΩ) |
| Output |
1 channel, BNC(200-3000mV, 5KΩ) |
| Bidirectional Talk |
1 channel Input, BNC(200-2800mV, 30K ) |
| Display |
| Display Split |
1/4 |
| Spot Split |
1/4 |
| Resolution |
1280×1024, 1280×720, 1024×768, 800×600 |
| Tour Display |
Support |
| Privacy Masking |
4 self-defined four-sided zones for privacy masking for each camera |
| OSD |
Camera title, time, video loss, camera lock, motion detection, recording |
| Recording |
| Video/Audio Compression |
H.264 / G.711 |
|
| Image Resolution |
D1/4CIF(704×576/704×480) / HD1(352×576/352×480) / 2CIF(704×288/704×240) / CIF(352×288/352×240) /
QCIF(176×144/176×120) |
| Encoding Speed |
Main Stream: D1/HD1/2CIF/CIF(1~25/30fps) |
| Extra Stream: CIF/QCIF(1~25/30fps) |
| Bit Rate |
32~2048Kb/s |
| Image Quality |
1~6 level(level 6 is the best, VBR effectively) |
|
| Recording Mode |
Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop |
Manual, Schedule(Regular(Continuous), MD(Video
detection: MD, Camera blank, Video loss)), Stop |
| Recording Priority |
Manual >Alarm >MD >Regular |
Manual >MD >Regular |
| Recording Interval |
1~120 min. (default: 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec. |
| Video
Detection
& Alarm |
| Trigger Eventss |
Recording, PTZ movement, Tour, Alarm, Email, Spot |
Recording, PTZ movement, Tour, Email, Spot |
|
| Motion Detection |
Zones: 396(22×18), Sensitivity: 1~6 (level 6 is highest) |
| Video Loss & Camera Blank |
Support |
| Alarm Input |
7 channel |
| Relay Output |
2 channel |
| Playback &
Backup |
| Playback Channel |
1/2/4 |
|
| Search Mode |
Time/Date, Alarm, MD & Exact search, Smart search |
Time/Date, MD & Exact search, Smart search |
| 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(any size) |
| Backup Mode |
Pluggable HDD-case / Flash drive / USB HDD / USB CD / DVD-RW / Network download |
| Network |
| Ethernet |
RJ-45 port (10/100M/1000M) |
|
| Network Functions |
HTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server |
| Remote Operation |
Monitor, PTZ control, Playback, System setting, File download, Log information) |
| Hard Disk |
| Hard Disk |
1 SATA 2.5-inch HDD, Pluggable HDD-case |
|
| SD Card |
Optional (2 SD card supported) |
| Space Occupation |
Audio: 28.8MB/H, Video: 56~900MB/H |
| HDD Management |
Hard disk hibernation technology, HDD faulty alarm |
| Auxiliary
Interface |
| USB Interface |
2 ports, 1 for mouse control, 1 for backup |
|
| RS232 |
Dahua keyboard, PC communication |
N/A |
| RS485 |
PTZ control |
N/A |
| Environmental |
| Power Supply |
DC12V/3.3A |
|
| Power Consumption |
15W(without HDD) |
| Working Environment |
0~+55℃ / 10%~95%RH / 86~106kpa |
| Dimension |
1U, 375mm×285mm×45mm(W×D×H) |
| Weight |
1.8KG(without HDD) |
