... widely used for LED bulb ,LED cup,LED spot light ,LED down light and so on .Certificates : CE , ROHS,FCC,GSSpecification:LED ... lighting decay ,decay less than 3% after 1000 hoursEquable and soft irradiancy ,no glaring and eye protectiomGood reliability ,no dead bulb ... effectsafty ,work voltage is under 50VEnvironment friendly 2010 fashionable led light box module