... H.264 compression SD card Car vehicle DVR with GPS,WIFI,3G function build in. The mainly feature: H. ... , G-Sensor, Gyro-Sensor module; support 3G transmission; WiFi wireless transmission; Support 3G remote fule cut-off and power ... water-proof & dustproof Support 1T HDD and SD card can set to mirror record or error recordInput voltage: DC:+8V ~ ... with H.264 real time recording,have GPS,WIFI,3g Function