Shenzhen Huier hearing Technology Co. Ltd.   

        this product mainly uses CDMA network of China Unicom and USA GPS technology, through the mobile phone point-to-point messages, to achieve indoor positioning. With high accuracy (error 5-300 meters), the advantages of smaller volume, easy to operate, roaming the country, less blind spots, service fees low (60/), does not affect the original circuit of the automobile, allows the vehicle to be full of security. Its main functions are as follows:
        positioning function: can be initiated by mobile phone positioning, geographic information via SMS reply text description, such as the building of Shenzhen City Guangdong Province, economic near; can be added through the network platform to achieve real-time positioning, map

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