... ,15W,20W, 30W LED dimmable downlight 2) CRI>80,Eff>90lm/W,PF>0.98 3) cob led chip ... ) Cost-effective 5) CE&RoHS Specifications: 5w-30w cob led ceiling light Color :warm white , pure white ... , cool white Light source :Epistar cob Warranty 3 years 5w-30w cob led ceiling light Color :warm white ... , pure white , cool white Light source :Epistar cob Warranty 3 years modelHZ-D-005 5wled sourceHigh quality ...