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Help Center4-ch Full D1 HDD Vihecle DVR
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Specifications
1. 4 Channel HDD vehicle DVR2. D1 resolution
3. audio and video function
4. software upgrage avalaible
5. upto 1000GB HDD
4-ch full D1 HDD vehivle DVR--VR850
1 product summary
This 4-CH flush bonding Digital hard disk recorder is specially designed for car safety. it adopt flush bonding processor and flush bonding operation system,combined with video/audio compression /decompression, GPS, car memorizing meter, and large-capacity Hard disk storage technology,so that the system with high intelligent and high stability. it is widely used in car, steamship,train and other domain safety countermeasures.
2.Main function
2.1 Operation system
Flush bonding Linux operation system, eliminate virus infection, with high stability
English & Chinse menu switch
2.2 compression format
MPEG2/MPEG4 video format: high definiation vedio,with the best bit stream
2.3 surveillance &record disposal
surveillance: 4 channels D1 (PAL:720*576;NTSC:720*480)
record: PAL total source 50 fps, NTSC total source 60 fps, 4 channels D1 (PAL:720*288;NTSC:720*240) record independence.
record format: three options: record according to car moving sensor alarm, booking record and manual record,support 4 channels video and two channels audio record simultaneously.
record effect: 8 rating adjustable
Specially designed video appropriative file system, enhance the life-span of hard disk
you can not revise the storaged video and audio in the Hard Disk, high credibility as evdience.
2.4 search & playback
playback according to time and happening search
support 4 channels video, 1 channel audio playback simultaneously
I channel enlargement or 4 channels playback simultaneously
3. parameters:
Video Input |
1/4CH PAL/NTSC composite BNC(1.0VP-P, 75ohm) |
Video Compression |
MPEG4 |
Video Resolution |
PAL:352*288(CIF),720*576(Display) NTSC:352*240(CIF),720*480(Display) |
Video Parameter |
brightness,contrast,chroma,saturation,image quality can be adjusted |
Stream Type |
single video stream or composite stream |
Frame Rate |
PAL:1-25fps. NTSC:1-30fps |
Video Bit Rate |
32kbps-3mbps |
Video Output |
CH PAL/NTSC composite BNC(1.0VP-P,75ohm), real-time monitoring |
Audio Input |
RCA connector,1CH line/MIC,input impedance 1Kohm,single track plug |
Audio Compression |
ADPCM |
Audio Output |
RCAinterface,single track plug |
Intercom |
1CH input, MIC interface |
Network Interface |
One Ethernet 10/100Mbase-TX with indicator, RS485 interface,RS232 interface; Support PELCO-P/PELCOD standard shaft fixing protocol,high dome camera protocol; Support IEEE802.11b/g wireless network. |
Alarm Input |
4 switch CH input, setup usual switch on/off |
Alarm Output |
4 switch CH output,120VAC/1A 24VDC/1A |
Input Voltage |
DC12 |
Maximum Power |
Less than 6W |
Work Temp |
-10oC~ +50oC |
Work Humdity |
10~85% |
Size |
180(L)x50(H)x115(W)mm |
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