◆HardwareDescription HostTracker Earphonejack. LCDdisplayscreen-Optional Handset-Optional GPS608canmatchHandsetandLCD(HandsetandLCDareextra),thenyoucanuseitasacellphone. Pressthissmallbuttonwithaball-pointpenorsomethingsmallandsharp.ThentheSIMcardslotwillcomeout.PutintheSIMcardslot.Thisindicatorcanturnredandbluelight. GSMAntennaEmergencytriggeringalarmGPSAntenna 2.StartupPuttheSIMcardinplaceandinstalledthetrackerinthecar,theredindicatorison.About40seconds,theunitwillbegintoworkandacquiretheGSMsignalsaswellastheGPSsignals,andtheredindicatorwillkeepflashingevery2secondswhentheGSMmoduleisnocommunication.Whentheblueindicatorislight,theunithasbeenlocated.◆Mainfunctions1.PositioningandTracking:Throughtheon-linePositioningPlatformorthecellphonetolocatesattimes,andgettheworkingstatus.YoucanchoosethePositioningPlatformbyyourself.2.TriggeringEmergencyAlarm:Whenthereisaemergencyhappenedonthevehicle,youcanputonthebuttonandtheinstalledunitwillsendoutalarmtotheauthorizednumbers.