GPS-500L is world only GPS/GPRS Mobile device to build-in Text-to-Speech, IVR (voice guide), 3D G-Sensor, and PC configuration tool, allow mobile phone to query and get report via Voice, SMS, MMS. No need server, tracking service monthly fee, and has higher personal confidentiality. Report location information contains not only Lon., and Lat., but also street name, map, and POI. (Patent number 098202272) and have below advantage. - IVR (voice guide), support voice query and instant voice report at same call, support one call for multiple reports, and support multi language*. - Motion and Geo-fence alert, click to set, used for car/asset and people anti-lost, and help you to trace it back. Work at Indoor/outdoor. - Advanced SOS alert, speed dial, and silence call function can support your loved people to solve emergent situation. - Configuration by voice, SMS, and PC. - PC Configuration tool, build-in tracker, plug to play (zero installation), GUI interface, support multi language* Features 1. Query via SMS or Voice 2. Report the location position (Map, Street name, and POI) via SMS/MMS/Voice/GPRS 3. Voice query and instant voice report at same call, real-time and least phone cost. 4. Configuration via Voice, SMS, and configuration tool 5. Click to set movement alert for car/asset anti-theft and help to trace it back 6. Silence Call - Optional (can be enable by end user). 7. SOS alert - SMS plus Voice. 8. Click to set geo-fence on google map no need to understand Lon. and Lat. 9. 3 speed dial button for 2 ways voice communication 10. Schedule report - Sends out an automated located on a schedule 11. Advanced Geo-Fence - set by click button, click on google map, or remote SMS 12. Data Logger - Download and check the historical tracking data from google map. 13. 3D G-sensor help to save GPS power and to extent working time 14. Low Battery Alert Google map and Google Sat function: 1. Support any internet device (3G/GPRS/WAP/PC) 2. 7 Room In/Out optional 3. Click to switch between Google map and Google Sat. 4. Information contain Lon., Lat., Date, Time, Speed, Azimuth, Battery Life, and GPS status.