?Working based on existing GSM/GPRS network， this product can locate and monitor any remote targets by SMS or internet. The most advanced technology of positioning. It can be used for electric vehicle， motor bike， truck， car， etc.<br> <br> Features:<br> Real-time location tracking， track playback.<br> Support SMS and GPRS platform tracking.<br> Wechat management platform， free control.<br> Support android， iOS system remote control.<br> Support wap mode in old phones.<br> Built vibration sensor， the realization of vehicle vibration alarm.<br> SOS alarm(Optional Function).<br> Off-oil by remote control(Optional Function).<br> <br> Specifications:<br> Alert Type: SMS， Phone Call<br> Network: GSM/GPRS<br> GSM Network: 850/900/1800/1900Mhz<br> Voltage Range: 9-38VDC<br> Standby Current: 0.2mA<br> Operating Temperature: -30→ to 70→<br> Working Humidity: 20%-80%RH<br> Package Size: 11.5 * 9.5 * 4.2cm / 4.5 * 3.7 * 1.7in<br> Package Weight: 92g / 3.2oz<br> <br> Package List:<br> 1 * GSM/GPRS Tracker<br> 1 * Power Cable<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>