1. GSM frequency 850/900/1800/1900MHZ（The country that suits any world-wide GSM networks）
2. Real-time locating and tracking
3. Geo-fence
4. Two way talking communication
5. SOS button
6. Overspeed alert
7. Support remote monitor
8. Support quick dialing buttons for 3 preset phone numbers
9. Monitor and protect child, elder and disabled.
10. Guard against theft of strongbox, vehicle and outdoor equipments, cargo.
11. Based on GSM network and INTERNET, this series of products provide personalized
services for companies, organizations and individuals.
12. Users can search the positioning or movement tracking information provided
by this product in mobile phone or personal computer, etc
13．Timing reply
