If you install a Queclink GV600 Standalone GPS tracker on your (mobile asset - vehicle) you can work on extreme weather conditions, his ruggedized case has IP67 certification that transform GV600 in a Waterproof GPS tracker. The GV600 GPS device for Fleet Management of Queclink can sent data through the (TCP, UDP, SMS) protocols, accept and send SMS commands and can be controlled in real-time from a Tracking Management Platform always online. You can receive the exact "Geo Location" from Queclink GV600 Standalone GPS tracker on your mobile phone, every time that Queclink GV600 tracker crossing a preconfigured virtual geofence (up to 20 circular geofences - up to 20 polygonal geofences). To protect your mobile asset or vehicles, you can configure the following preventive SMS alerts on GV600 GPS device of Queclink: (geofence alarm, parking alarm, low backup battery alarm, device power on alarm, special alarm based on digital/analogue inputs), when one alert is active the GV600 device send a SMS message. In addition, Queclink GV600 Standalone GPS tracker has the OTA (Over the Air) function to control digital outputs in remote way.