Car GPS tracker GPS GSM SMS/GPRS with remote monitor voice function

GPS vehicle tracker GPS GSM SMS/GPRS with remote monitor voice function
Working Based on existing GSM/GPRS network and GPS satellites, this product can locate and monitor any remote targets by SMS or GPRS.

Main function:
GSM quad-band frequency;
Real time tracking by SMS/GPRS;
Recover original password;
Real time voice monitoring;
Wide voltage input: 9V-100V
Set SOS and center number
Remote open and close GPRS function
Remote reboot device
Back-up battery & ACC check
Remote monitor voice
About alert:
  Stop engine & restore
   Low battery alert
   Vibration alert
    Fence alert
    ACC status
    SOS panic alarm (optional)
Unique function:     
   Voice control
   wide voltage input
   call your mobile alarm
   auto know APN
Platform: support 11 kinds of language, mobile APK software, free use

There is three tracking solutions:
1. SMS tracking on cellphone with a Google map link to view current location on map on cellphone screen  or enter the longitude and latitude in google will also display location 
2. Web platform real time monitor 
3. Mobile APK software