car gps tracker: 1.Real time tracking 2.Oil and engine cut by SMS. ... and accurate car gps trackerBrief:Based on the GPS satellites and GSM(850/900/1800/1900MHZ),and ... by message,internet or PDA, it can track and ... widely applied in safeguarding vehicle,old,child,Pet,and managing personel; Track covertly etc. Advantage:1. ...