Speed and easy installation with strong magnets 3D target area simplifies misalignment detection and correction Easy simultaneous adjustment of tension and centering V guide included to fit a variety of V-belt pulleys Integrated side adapters that can center multi-rib belt pulleys, timing belt pulleys, and sprockets are optionally available Measurement distance (m): 0.05-6 测量精度(角度):小于0.02° 测量精度(偏移):小于0.5mm 激光束长度:3M在2M