Queclink GL530 Standalone GPS tracker is a good solution for: (GPS Container tracking, trains, heavy machinery, electricity generators, etc..). Receive from GL530 Standalone GPS device of Queclink the exact "Geo Location" on your mobile phone every time that GL530 GPS device crossing a virtual geofence (up to 5 internal geofences). To protect your mobile asset, you can configure the following SMS alerts on Queclink GL530 Standalone GPS tracker: (geofence, low internal batteries alarm, wake up device alarm), when one alert is active the Queclink GL530 tracker send a SMS message. Through a Tracking Management Platform always online you can have controlled in real-time the GL530 Standalone GPS device of Queclink. The Queclink company offer two versions for this GPS tracker: GL530 is a basic model and GL530M is the model that has 3 magnets for fix tracker in metallic areas.