... lumen attenuation 3.beam angle:38/48/60 18*1w LED ceiling light model NO.JYSL-LD007chipEpistarCCT:2700-6500kfrequancy range50-60HzLED quantity18Characters & Advertages ... production LED products,dealing with finished products and accessories.Mainly products are:COB downlight,High power LED downlight,LED spotlight,LED floodlight,Wall washer,LED track light,LED ...