... , builting in 3G,GPS,G-sensor function, and 4ch car mdvr model is with dua SD card, ... of brand cars,buses,ship,train,long vehicles. with high technology overpower protect function.Parameters: ItemsParametersSpecificationsSystemLanguage ... 0.1wOperation temperatureOperation temperature-30°C ~ +80°CDimensions148X122X45(not include the frame); 150X149X62(include the frame) 4CH HDD car mdvr with GPS ...