Item Device Parameter Specification / Details
System UI Language English/ Simplified Chinese
User Interface Icon operation interface (Icon menu)
Security User level password, administrator password
Video Video Input 4 channels independent input with 1.0Vp-p，75Ω BNC
Video Output 2 PAL/NTSC output with 1.0Vp-p，75Ω BNC; composite video signal
1 VGA output
Video Display 1/4 windows per screen
Video Standard PAL: 25 frames per second CCIR625 lines 50 Hz
NTSC: 30 frames per second CCIR525 lines 60 Hz
System Resource Real time recording with playback and surveillance
Online real time surveillance
Audio Audio Input 2 channel input，L, R Channels 600Ω RCA
Audio Output 2 channel output, 600Ω RCA
Basic output 1.0—2.2V
S/N ≤-30dB
Recording Format Synchronous with video
Compression PCM
Digital Processing and Storing Encoding MPEG-4 Variable encode rate \ Fixed encode rate
Image Format 1 window screen: 1/2D1 (704x288 pixels) 4 windows screen: D1 (704x576 pixels)
Video Standard ISO14496
Audio Standard ISO11172
Video Freq. 25K-250Kbyte/s 50K-300Kbyte/s
Audio Freq. 24Kbyte/s
Audio Size Rate 86.4Kbyte/s
Video Size Rate 90M-900Mbyte/hour 180M-1260Mbyte/hour
Storage 1-2 IDE hard disk，support 300G or larger, support DVD±RW Writer
Image Quality 8 Adjustable levels
Max Frame Rate 25 frames/ sec/ channel
Resolution Playback 352x288 pixels.
Real time704x576 pixels.
VGA output 704x576 pixels,
Data capture Bi-directional
Alarm Motion Detect Independent setting with each channel, with 192 detect region for each channel and adjustable motion sensitivity
Input 4 independent input channels
Output 4 independent alarm output
Alarm mode Open / Short
Com port
Serial Port
Serial Port RS485，extendable with external modem
RS232，common serial port
Network port RJ-45 10M/100M broadband port
Internet Protocol Support TCP/IP, UDP/IP
Transfer mode Dial-up, ADSL, ISDN, internet, intranet
Brower IE browser
USB port USB 2.0 interface
Others Power AC 220V±20%，50Hz±2%
Consumption 15W（without hard disk）
Working Temperature 0~50℃
Working Humidity ≤80%
Mechanical Dimension
Weight
Clock Build-in system clock and calendar
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