True, the passenger and cargo trucks full-vehicle measurement and adjustment. Developed the series of four-wheel-positioning hardware, software, with full and complete theoretical system of autonomous intellectual property rights. Rich source of information for formal channels of vehicles, there are more than 2 kinds of positioning data models, data life-long free upgrade for users to protect the interests of long-term. The unique design of the sensor-sensitive LCD display, direct reading measurements, to achieve the power, no, no lighting, all-weather work. 8-the-art beam CCD image measurement system, fast response, linear, high-precision measurements, and strong anti-interference environment and repeatable. Bluetooth / Zigbee wireless communication barrier-free, free is free to band communications, transmission speed, anti-jamming ability, and broadband data streams