1. Can force to limit the speed intelligently, safe speed limit.
2. Automatic speed calibration precisely.
3. Maximum pre-set speed can be set by administrator.
4. Can record the data in the last 72 working hours( speed record, longitude, latitude,strength of GPS signal, year, month, day, hour, munite, second, the speed of vehicle)
5. Data export via USB port from the device
6. Data retrieval of speed record from the device.
7. Can be monitored directly on the software to see the tracking of speed, and playback can also be viewed on the Google map. 8. Speed limit deviation: ± 2km/h
9. Strong stability
10. Easy to install
11. Voltage: DC6V to DC 36V