... cup 2.5" cob high quality led downlight 3w 230v 220v 1,Material:Aluminum,car/die-casting aluminum lamp body,the surface oxidation ... we will arrange to deliver the items Advantages: 1,high-quality aluminum housing,and better heat dissipation,light decay less,live longer2 ... defective chips made out from the bottom production lines,non-consistent color temperature,brightness difference,life is short,and ...