Model |
DH-NVR4204 |
DH-NVR4208 |
DH-NVR4216 |
DH-NVR4232 |
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System |
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Main Processor |
Dual-core embedded processor |
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Operating System |
Embedded LINUX |
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Video |
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IP Camera Input |
4 channel |
8 channel |
16 channel |
32 channel |
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Two-way Talk |
1channel Input, 1channel Output, RCA |
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Display |
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Interface |
1 HDMI,1 VGA |
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Resolution |
1920×1080, 1280×1024, 1280×720, 1024×768 |
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Display Split |
1/4 |
1/4/8/9 |
1/4/8/9/16 |
1/4/8/9/16 |
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OSD |
Camera title, Time, Video loss, Camera lock, Motion detection, Recording |
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Recording |
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Compression |
H.264/MJPEG |
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Resolution |
5Mp(2560×1920)/3Mp(2048×1536)/1080P(1920×1080) / 720P(1280×720) / D1 (704×576/704×480)&etc. |
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Record Rate |
200Mbps |
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Bit Rate |
48~ 8192kbps |
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Record Mode |
Manual, Schedule(Regular(Continuous), MD, Alarm), Stop |
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Record 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, Tour, Alarm, Video Push, Email,FTP, Buzzer & Screen tips |
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Video Detection |
Motion Detection,MD Zones: 396(22×18), Video Loss & Camera Blank |
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Alarm Input |
4 channel |
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Relay Output |
2 channel |
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Playback & Backup |
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Sync Playback |
1/4 |
1/4/9 |
1/4/9/16 |
1/4/9/16 |
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Search Mode |
Time/Date, Alarm, MD & Exact search (accurate to second), Smart search |
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Playback Function |
Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom |
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Backup Mode |
USB Device/Network/Internal SATA burner |
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Network |
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Ethernet |
1 RJ-45 port (10/100/1000Mbps) |
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Network Function |
HTTP, TCP/IP, IPv4/IPv6, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server, IP Search(Support Dahua IP camera, DVR, NVS and etc.) |
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Max. User Access |
128users |
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Smart Phone |
iPhone, iPad, Android, Windows Phone |
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Storage |
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Internal HDD |
2 SATA ports, up to 8TB |
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Auxiliary Interface |
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USB |
2 ports (1 Rear USB3.0, 1 Front USB2.0) |
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RS232 |
1 port, For PC communication&Keyboard |
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RS485 |
1 port, For PTZ control |
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General |
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Power Supply |
DC12V/4A |
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Power Consumption |
20W(without HDD) |
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Working Environment |
-10°C ~+55°C / 10%~90%RH / 86~106kpa |
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Dimension |
1U, 375mm×285mm×50mm |
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Weight |
2.0KG(without HDD) |
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