... casting aluminum lamp body,the surface oxidation 2,Light source:all use high power LED which is low-light failure with ... /120°Warranty:2/3yearsTesting Time:48-72hoursCertificate:CE&RoHS Applications:For car shows,jewelry,luxury apparel,professional windows,counters ... column and external fan cooling method 2,see the power supply(commonly known as transformer):Transformer determines the life of lamp,lamp ...