... the best wall washer effects, you can adjust this light to the angles which you needFeatures:Constant current and voltage ... astigmatism lens, reflectors, favors LED astigmatismInstant on, no warm up time requiredImpact resistance, shock-proof, no lead, no mercury, no ... , factory floor,municipal engineering, home or decorative lighting areas 2012 High brightness led ceiling light down light, CE&RoHS