... the car can get on or off the lift precisely.8. It is able to measure tread, axle base, differences of ... can not be achieved by photosensors.9. Automatically track the lift status, multi measuring basis, faster and more convenient.Measuring parameter ... . Set back: ±5°;6. Thrust angle: ±5°;7. Tread: 1800mm; 8. Wheelbase: 3200mm Wheel Aligner