Overview: This GPS Tracker TK103B is a car gps tracker which is working based on the 2G GSM/GPRS network and GPS satellite positioning system. It set multiple functions of security, positioning, monitoring surveillance, emergency alarms and tracking in its entirety. It can track and monitor remote target by SMS, Mobile APP and Web tracking platformBesides, this vehicle tracking device TK103B is a full featured GPS tracker which is designed for a wide of vehicle tracking applications. It has multiple I/O interfaces that can be used for monitoring or controlling external devicesIt is supported by a wide of accessories, such as fuel sensor, shock sensor, siren, remote controller etc. Its built-in GPS receiver has superior sensitivity and fast time to first fix. Its band GPRS/GSM subsystem supports 850/900/1800/1900 MHz allowing the TK103B's location to be monitored in real time or periodically tracked by a backend server and mobile devicesSystem integration is straightforward as complete documentation is provided for GPRS communication protocol. The GPRS communication protocol supports a wide of reports including emergency, geo-fence boundary crossings, low battery and scheduled GPS positionApplications: used widely for vehicle and other moving objects trackingSpecifications: Weight: 120gNetwork: GSM/GPRSBand: 850/900/1800/1900MhzGPS Sensitivity: -159dBmGPS Accuracy: 5mLBS Accuracy: 100-2000mGPS Start time: Cold status 45sWarm status 35sHot status 1sWorking Voltage: 12 V - 24V DCStorage Temperature: -40C to +85COperation Temperature: -20C to +65CHumidity: 5%--95% non-condensingSpecial Functions: Remote control, Voice monitor, Remote cut off engine, Movement alarm, Shock alarm, Door open alarmMaterial: Metal+Plasticcolour: As shownPackage Contents: 1 set x TK103B GPS Tracker KitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.