Based on GSM/GPRS and GPS， you can locate and monitor any remote targets by SMS or GPRS.

Basic Functions
          Authorized user number and password
          Authomatical coordinates sending via SMS or GPRS
          Audio monitoring
          SOS button
          Engine start alarm
          Movement alarm - When the unit stays immobile in a place for 3-10 minutes， the user can send SMS move+password to the unit， then the unit will reply “move ok!”. In case of such a movement， it will send SMS “Move” along with a Geo-info to the authorized numbers. It will alarm one time in each setting.
          Geo-fence alarm -  to restrict its movements within a district. The unit will send the 
message to the authorized numbers when it breaches the district. 
          Overspeed alarm
          Low battery alarm
          Reset user setting or the whole system
          Assemble with collar
 
Application

Protect child / the old / the disabled / pet etc 
Provide peace-of-mind for businessmen 
Manage personnel 
Track criminals secretly

Vehicle rental / Fleet management etc