2
Chapter 1 Product Features And Specifications
1. Product Specifications
Parameter
4 Channel
8 Channel
Processor
AMD ELANSC520/133 embedded microprocessor
Operation system
Real-time operation system
（
RTOS
）
Model
DH-DVR0404RW
DH-DVR0804RW
Video input
4 Channel (NTSC/PAL) BNC
（
1.0V
P- P
，
75
Ω ）
8 Channel (NTSC/PAL) BNC
（
1.0V
P- P
，
75
Ω ）
Video output
1 Channel PAL/NTSC
，
BNC
（
1.0V
P- P
，
75
Ω ）
video signal 1 Channel VGA display output
Audio input
4 Channel 200-1000mv10K
Ω
(RCA)
8 Channel 200-1000mv10K
Ω
(RCA)
Audio output
1 Channel 2000mv 1K
Ω
(RCA)
Video display
1
，
4 window display
1,4,9 window display
Video standard
NTSC
（
525 line, 60f/s
），
PAL
（
625 line, 50f/s
）
System resource
Real-time recording, one channel playback and network operation simultaneous
Image resolution
Real-time monitor 704
×
576, playback 352
×
288, VGA output 720
×
576
Motion detection
Area setting: 396 detection areas on the screen; detection sense setting: 3 levels detection sense for each
area
Video compression
MPEG-4 CBR (fixed frame rate); MPEG-4 VBR (variable frame rate)
Audio compression
ADPCM G.729
Image compression
rate
352
×
288CIF format
，
176
×
144QCIF format
，
704
×
576 4CIF format
Video
recording
speed
Real-time mode: PAL 1frame/10second-25f/s for each channel adjustable; NTSC 1frame/10second-30f/s
for each channel adjustable
Image quality
6 levels selectable
Hard disk
Inside equipped 4 IDE ports, able to install 8 HDDs inside
HDD space used
Audio
：
ADPCM 28.8Mbyte/hour
G.729
：
3.6Mbyte/hour
Video
：
40-460Mbyte/hour
Alarm input
8 channel voltage alarm input
（ ＋
5
～ ＋
15V D. C. Needed for the alarm input
）
Alarm output
3 channels output,
（
output in open/close contact or controllable
＋
12V output
）
Alarm relay
30VDC 1A, 125VAC 0.5A
（
relay output
）
Network connection
RJ45 10M/100M Ethernet connection
Pan-tilt control
RS485
Power
110VAC/220VAC
Power consumption
60W
70W
Working temperature
－
10
℃ － ＋
55
℃
Working humidity
10
℅ －
90
℅
Barometric pressure
86kpa
－
106kpa
Size
2U standard industrial case
，
441 (breadth)x430 (depth)x89mm (height)
Weight
11KG
