RoyalCrystal Lights-LED is known as the other fellow of Royal lighting Rolls-Royce, and are European Royal Classic Lighting. It is the light of Princes, Princesses, King, and Queen. RoyalCrystal adopts Crystal Lighting and Vision Techs, and particular Protective Coating Technology to reach the ten nontoxic and innoxious effects: 1 No toxic material 2 No ultraviolet to damage human eyes, skin and body 3 No infrared to transmit and see through human body and damage human nervous 4 No electromagnetic radiation to cause injuries to human brain, nerves and body 5 No explosive dangers 6 No noise to disperse human attentions and damage human spirit 7 No 50/60Hz flickers and other strobes to hurt human eyes and stimulate the human 8 No power drive uncertainty 9 No human vision distortion by nearly natural sun effects by color temperature of 4000-12000K, 10 No electromagnetic radiation hazard that need the remote attenuation.