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- Overview
- Features
- Technical Specification
- Download
NDH04-NVS0204EF-U: 2 channel video & 2 channel audio inputs, H.264, Full-D1 realtime encoding, 1 SATA port, VGA & TV output.
NDH04-NVS0404EF-U: 4 channel video & 4 channel audio inputs, H.264, Full-D1 realtime encoding, 1 SATA port, VGA & TV output.
> H.264 video compression and JPEG image capture
> 50/60fps at D1(DH-NVS0204EF-U), 100/120fps at D1(DH-NVS0404EF-U)
> Dual encoding streams supported
> Support VGA/TV output with simple OSD display
> Support high-definition bidirectional talk
> Support 1 SATA HDD for local storage
> 4 channel alarm inputs and 3 channel alarm outputs
> RS485 and RS232 interface
> Multi-zone video detection and privacy masking
> 3D intelligent positioning with DAHUA PTZ dome
> Built-in web server, multi-DVR client, DMSS & CMS
Model |
NVS0204EF-U |
NVS0404EF-U |
System |
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Main Processor |
High performance embedded microprocessor |
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Operating System |
Embedded LINUX |
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System Resources |
live, recording, playback and remote operation |
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Control Mode |
USB mouse, Keyboard, Web, PSS, DSS |
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Video |
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Input |
2 channel, BNC(1.0Vp-p, 75?) |
4 channel, BNC(1.0Vp-p, 75?) |
Standard |
NTSC(525Line, 60f/s), PAL(625Line, 50f/s) |
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Output |
1 TV, BNC(1.0Vp-p, 75?), 1 VGA |
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Audio |
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Input |
2 channel, BNC(200-2800mV, 30KΩ) |
4 channel, BNC(200-2800mV, 30KΩ) |
Channel 1 for bidirectional talk input synchronously |
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Output |
1 channel, BNC(200-3000mV, 5KΩ) |
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Display |
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Display Split |
1/4 |
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Resolution |
1280×1024, 1280×720, 1024×768, 800×600 |
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Tour Display |
Support |
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Privacy Masking |
4 self-defined four-sided zones for privacy masking for each camera |
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OSD |
Camera title, time, video loss, camera lock, motion detection, recording |
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Recording |
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Video/Audio Compression |
H.264 / G.711a |
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Resolution |
NTSC: 704×480(4CIF/D1), 352×480(HD1), 704×240(2CIF), 352×240(CIF), 176×120(QCIF) PAL: 704×576(4CIF/D1), 352×576(HD1), 704×288(2CIF), 352×288(CIF), 176×144(QCIF) |
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Encoding Speed |
Main Stream: D1(4CIF)/HD1/2CIF/CIF:25/30fps |
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Extra Stream: QCIF: 25/30fps, CIF:1/7fps |
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Snapshot |
Fastest 1fps JPEG capture |
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Bit Rate |
32~2048Kb/s |
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Image Quality |
1~6 level(level 6 is the best, VBR effectively) |
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Recording Mode |
Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop |
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Recording Priority |
Manual >Alarm >MD >Regular |
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Recording Interval |
1~120 min. (default: 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec. |
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Video Detection & Alarm |
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Trigger Events |
Recording, PTZ movement, Tour, Snapshot, Alarm, Email |
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Motion Detection |
Zones: 396(22×18), Sensitivity: 1~6 (level 6 is highest) |
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Video Loss & Camera Blank |
Support |
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Alarm Input |
4 channel |
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Relay Output |
3 channel |
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Playback & Backup |
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Playback Channel |
1/2/4 |
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Search Mode |
Time/Date, Alarm, Motion Detection & Exact search (accurate to second) |
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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) |
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Backup Mode |
Flash drive/ USB HDD/ USB CD/DVR-RW / Network download |
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Network |
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Ethernet |
RJ-45 (10/100Base-T) |
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Network Functions |
TCP/IP, UDP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Email, Alarm Server |
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Remote Operation |
Monitor, PTZ control, Playback, System setting, File download, Log information, Maintenance & Upgrade |
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Hard Disk |
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Hard Disk |
1 SATA port, Max 2TB supported |
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Space Occupation |
Audio: 28.8MB/H, Video: 56~900MB/H |
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HDD Management |
Hard disk hibernation technology, HDD faulty alarm |
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Auxiliary Interface |
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USB Interface |
1 port |
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RS232 |
PC communication |
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RS485 |
PTZ control |
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Environmental |
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Power Supply |
DC 12V(Power Adapter) |
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Power Consumption |
1.2W(Without HDD) |
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Working Environment |
-10°C ~+55°C / 10~90%RH / 86~106kpa |
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Dimension |
280 mm×375 mm×50mm (W×D×H) |
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Weight |
2.35KG(without HDD) |
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