... on vehicle. It uses embedded processor and embedded operating system, combined with H.264 video / audio compression / decompression, connecting 4 ... -sensor function, and 4ch car mdvr model is with dua SD card, the max SD capacity is ... of brand cars,buses,ship,train,long vehicles. with high technology overpower protect function.Parameters: ItemsParametersSpecificationsSystemLanguage SimplifiedChinese/ ...