The information supplied by the all-in-one double din in-dash multimedia GPS navigation system is only for reference. It can not be used for the precise measurement of direction, distance, location, terrain, etc. This product supports the mainstream GPS navigation software in the market, including igo8 system, Route 66 system, Garmin system, TomTom system and Papago system.
The automobile navigation system is based on the global position system, GPS, which is built and operated by the United States Department of Defense. Additionally, the accuracy and maintenance work of the GPS are fully undertaken by this department. That is to say, any change made by the United States Department of Defense may influence the precision and performances of the GPS equipment.
Related Names
Vehicle Navigation Equipment | Automobile GPS Technology | Finding Driving Way Method