... for the light. Clearer, difference, and flex ,so as to appeals to people eyes. 3 Double light lens, lens ... using a bifocal lens for near the light, when it switch, can be achieved through the lens inside the light- ... two beam together bright. Installation of a bifocal lens is a xenon bulb from the two effects ... of the low beam. Bifocal lens is generally used in high-end car, such ...