The STV2 [Text Format Protocol Version] GPS, GSM/GPRS vehicle tracking device. Do your fleet management in a professional way, AVL services, working with smart track web based tracking software, supporting latest 2011 Google map, Google earth, Two way voice/ message communications is supported by optional handset phone. Instantly log on 1200 waypoints with its built in memory. Image monitoring, fuel monitoring. Suitable for any kind of vehicle. With compact and small size, easy hide and installation in the vehicle. GPS modules: U-blox GPS module and Huawei GSM/GPRS module.