... dual anti-shock Description for 4CH HDD Car MDVR: The 4ch car MDVR is with 4ch video recording,It is designed ... for car mobile safety on vehicle. It uses embedded ... 4 cameras, builting in 3G,GPS,G-sensor function, and 4ch car mdvr model is with dua SD card, the max ... include the frame); 150X149X62(include the frame) 4CH HDD car mdvr with GPS