... Factory,2years warrant Downlight led,square 5w 10w 15w cob led downlight1,Material:Aluminum,car/die-casting aluminum lamp body,the surface oxidation ... light 5,lightweight easy,elegant,easy to install and replace 6,Streamline design,beautiful appearance 7,Energy and durable ... known as transformer): Transformer determines the life of lamp,lamp beads with more than 50000hrs no problem,but if the ...