car gps tracker security alarm 5000mah magnetico 3g 4g waterproof shake app

1. gps+lbs dual positioning ways: if the gps signal is good, the device will locate via gps satellite, if not, the device will locate via lbs under gps locating mode, the accuracy is 5-10 meters, under lbs locating mode, the accuracy is 100-1000 meters 2. realtime tracking: you will can realtime track the device on google maps via mobilephone, tablet and computer, and the minumum data upload interval is 10 seconds 3. history route playback: the app and web server can record the upload data of the device up to 6 months, you will can playback the history route at any time