GPS-800G

8.        Battery Monitor for warning of a low battery.

7.        Two way communication and text message each other.

6.        Speeding Alert for parents disciplining the teenage drivers behavior.

5.        listen in automatically when you call it .

4.        It can store three alarm phone number . you can press any one alarm number button to get help actively , when you call it , you will get a position information including a link ,then if your mobile phone support GPRS function ,then you can enter the link to check your  position by Google map realtime.

3.        Have Timing & Positioning function , it can search the signal of GPS automatically ,then set the time according the time of satellites to choose the different time of every country .

2.        A SOS button for emergency help.

1.        SMS & GPRS Tracking: Capable of text message (SMS) tracking & internet (GPRS) tracking

Working Based on existing GSM/GPRS network and GPS satellites, can locate and monitor any remote targets by SMS or GPRS