... ctn) Fetures and advantages of 15W LED downlight: 1,Long operating lifespan: more than 50,000hours2,High color rendering index with great ... & Lead free 5,Strict quality control, 72hours aging test and complete inspection before shipping.6,High luminous intensity, low light ... 60Hz .Worldwide usage.8,Ideal heat dissipation design with high quality.9,All size,shape,color,brightness,can be customized.OEM ...