free sample 4channels hd sd card car black box gps

Specifications

Model: CL-MDVR-4GS

4 Channel car SD card  recorder car black box gps

H.264 compression for high video quality. 
Main Processor     :   Hi3512
Operating System   :  Embedded Linux operating system
System Resource    : 4-channel real-time recording simultaneously
Video Standard     :  PAL, NTSC
Image Compression  : H.264
Audio Compression  : ADPCM
Recording Mode     : Manual, timing, alarm, motion detection.
Video Search       :    Time search, event search, channel search
Backup Mode        : USB backup
Video Input       : 4ch aerial port
Video Output       : 1ch aerial port, 1ch lotus port
Audio Input        :   4ch aerial port
Audio Output       :    1ch aerial port
Monitoring Quality :    PAL: 720x576(D1) NTSC: 720x480(D1)
Playback Quality   :    PAL: 352x288(CIF) NTSC: 352x240(CIF)
Image Control      :    6-level adjustable
Motion Detection   :    396(22×18) detection areas and multi-level sensitivity can be set
Picture Display    :    Single-picture view, four-picture view
Recording Rate     :     PAL: 25fps/second (adjustable)   NTSC: 30fps/second (adjustable)
Recording Storage  :    SD card
Local Playback     :   1 channel, 4 channel playback
Alarm Input        :    4 switching value
Storage Port       :    1 SD port
USB Port           : 1 USB2.0 port
Ignition Signal    :    1
Power Supply       : DC 6V~36V
GPS tracking function