... .Warranty:3 years4.Brand LED&Driver 1.Feature of LED downlight 1) use high-tech, energy- ... hazardous materials.2,high light efficiency, 90% of the electronic energy transfer into visible light.3, ... ,Rugged solid, not easy to broken.5,Systematic design of lens and lamp cover.6,Lens with both ... by traditional light source, and is the protection of human eyesight and physical health.8,Luminous efficiency ...