... HDD interface,4 CH video+2 CH audio,3G,GPRS,are optional 4ch 3G,GPS mini Car DVR with 3.5inch TFT screen,Car ... by cell phone, or PC (software).4ch mini car DVR with 3.5inch TFT screen,support 2.5 SATA HDD interface,4 CH video ... ×180mm×50mmNet weight2.2 KGOptional FunctionsPanning Table control support GPS chart recorder(black box) 4ch 3G,GPS mini Car DVR with 3.5inch TFT ...