1, Multi-functional vehicle gps tracking system 2, Through gps for tracking vehicle 3, GPS network 4, With gps location vehicle gps tracking system1, Multi-functional vehicle gps tracking system2, Through gps for tracking vehile3, GPS network4, With gps location functionMODEL: VIP-704I) Function and feature1. Bands (900Mhz/1800MHz 900-b, 850Mhz/1900Mhz 900-p) 2. Overspeed alarm 3. Listening in4. ...