Roadragon Bridge 4CH 720P MOBILE DVR SUPPORT 3G 4G WIFI GPS MDVR WITH CARBUSTRUCKVEHICLES CAMERA RECORDER

Based on digital video compression storage and 3G video wireless transmission technology, SD card large capacity storage, built-in standby battery, multi-channel data interface and alarm interface, it can extend satellite positioning monitoring. It is a fully functional vehicle borne        3G/4G digital video recorder.