... ,2w,3w;4w,5w;6w,7w;9w;12w;15w High Power led ceiling down light 1w,2w,3w;4w,5w;6w,7w;9w;12w;15w with CE ... a testing of 48-hours' lighting up to ensure good quality.3.Delivery time: Within 1 week for samples, around 2 ... ,Patented fixture design and Led package technology12,Energy saving system, saving 50% energy than the conventional Metal halide lamp, Sodium Light or HPS ...