1. 3D Measurement: The 3D measuring technics which is based on real running surface of wheels is more specific and precision. 2. High-speed Shooting System: Composed of high-performance cameras and four target disks, the camera system can measure the vehicle’ s running posture vividly. 3. Target Disk: The solid-state target disks made by special materials are sturdy and durable without any electronic components. 4. Pushing Measurement: None of any wheel compensation is needed. Only one pushing can complete the measurement. 5. 3D Max System: The unique visual 3D max dynamic measurement system is real and vivid. 6. Calibration System: Only one simple calibration is needed after the initial installation without any repetitive calibration following. http: / / www.youtube.com/ watch? v= 2nnzYUeYQo8