Power supply DC12-24V
Operating temperature: -20~+70
Support in the TV/ Monitor/ Computer playback
Support 4 channel video and audio input
Video Input format: PAL/NTSC
Record frame. PAL system is 25, NTSC system is 30
XDIR Compressed format
Dual SD card slot, Right and left structure arrange, generic SD card slot
USB port: connection PC to escalate and back-up, at the same time can connection U-disk and Mobile HDD
4Record resolution: 640
4CH car black box support up to 4 video & audio inputs
SD Card Recording Equipments, Stand alone DVR, 4 Channel Mobile DVR
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