World Premiere 4 Cam record 4G Android 9.0 car DVR
*12inch touch screen
*4 cams recording at the same time
* night vision function
* android 8.1 2+32G
* mobile remote monitor with car assist
* GPS navigation support
* built into google play market
* wifi and BT function
* two ways installation
*max SD card is 512G with class 10
* fit cmsv6/cmsv7 tracking platform
* lock sim card slot
* Internet band it can support:
3G/4G internet band
2G GSM B5/B3/B8;
3G WCDMA B1/B5/B8;
4G TDD-LTE B38/B39/B40/B41;4G FDD-LTE B1/B3/B5/B8