The tip is attached to a cantilever, and a laser spot tracks the motion of the arm as it judders over minuscule bumps and valleys. (scientificamerican.com)
A visual distinguishing feature which also provides enhanced safety comes in the form of the all - LED headlights or, for an extended field of vision and more brightness, with the laser spot for the high beam — complemented by dynamic turn signals with their scrolling function in the intended turn direction at the front. (motor-prime.com)