... 3300k,4000~4500k,5500~7000k LED lightingAdvantages1,Environment friendly, no mercuryand or other hazardous materials.2,high light efficiency, 90% of ... the led light is one-fifth to traditional light.4,Rugged solid, PC can under pressure, not easy to broken.5,Systematic design of ... lens and lamp cover.6,Lens with both a protective and concentration effect avoid light loss, so ...