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- Overview
- Features
- Technical Specification
- Download
DH-NVS0204EF: 2 channel video and audio inputs, H.264, Half-D1 realtime encoding, PoE and Wi-Fi optional.
DH-NVS0404EF: 4 channel video and audio inputs, H.264, CIF realtime encoding, PoE and Wi-Fi optional.
> High-performance TI DaVinci DSP and embedded LINUX used
> H.264 video compression and JPEG image capture
> 25/30fps at D1(DH-NVS0104EF), 50/60fps at half-D1(DH-NVS0204EF), 100/120fps at CIF(DH-NVS0404EF)
> Dual encoding streams and ACF (Activity Controlled Frame rate) supported
> Support TV output with simple OSD display
> Multi-zone video detection and privacy masking
> Hot-swappable SD card for local storage
> 4 alarm inputs /2 alarm outputs
> RS485 and RS232 interface
> Wi-Fi(IEEE802.11b/802.11g/802.11n) is optional
> PoE(Power over Ethernet) is optional
> 3D intelligent positioning with DAHUA PTZ dome
> Built-in web server, NVR, MSS & CMS
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Model |
DH-NVS0104EF |
DH-NVS0204EF |
DH-NVS0404EF |
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System | |||
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Main Processor |
High performance TI DaVinci series DSP | ||
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Operating System |
Embedded LINUX | ||
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System Resources |
Network live view, local recording and network remote operation | ||
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Control Mode |
Local GUI (TV output), Keyboard, Web, PSS, DSS | ||
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System Status |
SD Card status, data stream statistics, log record, bios version, on-line user etc. | ||
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Video | |||
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Video Input |
1 channel, BNC(1.0Vp-p, 75?) |
2 channel, BNC(1.0Vp-p, 75?) |
4 channel, BNC(1.0Vp-p, 75?) |
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Video Output |
1 channel TV output, BNC(1.0Vp- p, 75?) | ||
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Video Standards |
PAL(625Line, | ||
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Video Compression |
H.264 | ||
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Video Resolution |
D1/HD1/CIF/QCIF/VGA/QVGA |
HD1/CIF/QCIF/VGA/QVGA |
D1/HD1/CIF/QCIF/ VGA/QVGA |
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Recording Speed |
D1/HD1/CIF/QCIF/QVGA: 1~25/30fps |
HD1/CIF/QCIF/VGA/QVGA: 1~25/30fps |
D1/ VGA/HD1: 1~6/7fps CIF/QCIF/QVGA: 1~25/30fps |
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Image Quality |
1~6 level(level 6 is the best) | ||
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Snapshot |
JPEG, fastest with | ||
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Privacy Masking |
8 self-defined four-sided zones | ||
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Camera Adjustment |
Adjust color according to different time period | ||
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Digital Watermark |
Support digital watermark in video encoding, to prevent tampering with video record | ||
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Video Information |
Camera title, time, video loss, motion detection, camera blank | ||
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Audio | |||
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Audio Input |
1 channel, |
2 channel, BNC, 1.0VP- P, 75Ω |
4 channel, BNC, 1.0VP- P, 75Ω |
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Bidirectional Talk Input |
1 channel, | ||
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Audio Output |
1 channel, | ||
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Audio Compression |
G | ||
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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 |
2 channel | ||
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Record, Playback & Backup | |||
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Recording Priority |
Manual >Alarm >Video Detection >Continuous | ||
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Search Mode |
Time/Date, Alarm, Motion Detection & Exact search (accurate to second) | ||
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Local Storage |
Hot-swappable SD Card | ||
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Record Overwrite |
Support tag important record not to be overwritten | ||
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Storage Management |
Alarm for SD card mistake, Non card, Card capacity less | ||
