GPS GPRS GSM CAR TRACKER VEHICLE ANTI TEFT TRACKING SYSTEM: Real-time locating and tracking,SOS ... design. Possible ApplicationsMonitor and protect child, elder and disabled. Guard against theft of strongbox, vehicle and outdoor equipments, cargo. Based on GSM ... /0.5WMicrophone (Built-in)58db GPS GPRS GSM CAR TRACKER VEHICLE ANTI TEFT TRACKING SYSTEM