1,view the real time video of vehicle through mdvr device
2,locate the gps postion of one car through mdvr device
3,query history gps trace of one car through mdvr device
4,query hhistory alarm info of vehicle through mdvr device
1,view the real time video of vehicle through mdvr device
2,locate the gps postion of one car through mdvr device
3,query history gps trace of one car through mdvr device
4,query hhistory alarm info of vehicle through mdvr device