Function sort                  Function
video record(A)  1. H.264  the standard format of record code
 2. support 1ch record,CIF/VGA/D1,,1~25fps
 3. support NTSC/PAL
 4. record OSD for example: time,car no..speed
 5. Storage medium is SD card
audio record(A)  support 1ch audio record
playback  1.B)support local playback
 2.(A)support powerful PC analyse playback
live preview  1.(A)support live preview and record action at the same time,single picture  
  2.B)support every kind of OSD when preview picture, for example: date time,name of channels,GPS,speed
parameters set  1.(B)support Rebot
 2.(A)use the specify files which set in SD card to switch the work parameters
alarm(A)  1.Support 6ch  
 2.support  button
GPS(A)  1.Use outside GPS module,system support standard
 2.Collect longitude latitudinous,car speed,direction data; exact time
CMS(A)  1.EDGE/CDMA
 2.support voice talk
 3.support CMS protocol
RMS(B)  1.configuration parameter;
 2.real time video browse
 3.record download
 4.Playback analysis
interface(A)  1.Ethernet port.;
 2.SD card port,
 3.video input,output
 4.audio input,output
 5.MIC input, use to voice talk
 6.alarm input(5),output(1)
 7.RS232 *1, RS485*1
 8.Voltage +12V /+5V
SD Card Electrification Plugging(A Type)  1. available for plugging and pulling out when it is power on
 2. One invisible button added next to SD card slot and press this button to uninstall SD card
 3. One LED indicator added next to the SD card slot to indicate the working conditions of SD card. The indicator will be off if the SD card is uninstalled
 4. Silk-screen will be added to indicate users to pull out the SD card after pressing the button