1, Accurately position 2, Low energy consumption 3, Small size, easy for hidding 4, GPRS/GSM communication Product's NameGPS GPRS TrackerDescription1, Real time polling and sending back GPS positoning information2, Historical data backup3, Restricted zone violation alerts4, Anti-burblary and anti-robbery5, Mileage report6, Internal back-up battery7, Alarm function 8, Small size, easy for hidding9 ...