This GPS systems need to have to require a Sim card for 850/900/1800/ 1900MHZ, not sustain 3G,4 G sim card. The bundle no include sim card, clients need to have to obtain that coming from your personal nation by yourself. Adroid Download address ： www.zg666gps.com apple iphone Download address: application shop TKSTAR GPS (you can require that for totally free).
GPS and Location Based Service,Real time tracking
Check the history of route on platform,Monitoring and communication
SOS Alarm,Power Saving Mode
Google map on mobile,Geofence and movement alert
Overspeed alert,Low Battery Alarm