... Point for you: 1,High quality products,European and US standard.2,LED brand:Taiwan Epistar.3 ... high power factor can prolong the led lifespan and save energy5,5% attenuation after 1000 hours,life ... hours.6,Use super bright high power LED and voltage constant current circuit which supplies stable ... optical lens.8,white,warm white,red,green,blue,and yellow color and RGB vailable.9, CE/ROHs certified, ...