Shenzhen Guangzhan science and technology co. ltd is the exclusive company that develops and produces the satellite dog bright seriesthe car carries early-warning system of GPS Independently in main land of China, it belongs to the automobile intellective electronics product of the high-tech GPS realm. This kind of product absorbs the high new technique of Korea, matching with electronic map of the international community and everyplace area, It can carry out the early-warning function in the road safety and the restrict district, its ability the accurate rate attains 98% above, become super substitute of the traditional early-warning machine, its technique index number at attain the advanced level .Main function of that productHigh stability and accurate rate, low misinformation rateThe GPS of the whole day designSettle the high intelligent degree antenna of GPS insideInset the safe caution light of transportationExceed the speed limit alerted,Going the direction of the car marked,the distance that target order by the square showed and go the car speed identified.Four kinds and the national language of music hintCF read card design,Convenient replace fastlyelectronic map Navigation data output ready, connection available with PDA or Notebooks via Bluetooth wireless or cable .