No frequency-wrinkle for protecting our eyes Use microcomputer light meter for protection of your eyes in different aspects 4 different kinds of lighting modes: read, relax, genial, romantic and gradient light color 4 adjustments of brightness circulations of light modes Brightness adjustable Safety regulations and European Union CE approval standard Implement Europe EMC standard, eliminating electromagnetic radiation Have special polarization treatment to get a better color performance Use microcomputer as main control unit which memorize the present working status An individual, popular design, and an outstanding flavor.