anti-corrosion,anti-abrasive material,advanced Electrostatic Spray technology,nice and elegance,artistic and smooth surface.adop Brand Name / Ref.No LDF1003 Specification4 inch5 inch6 inchDo power7W,9W,12W12W,15W,18W15W,18W,21WLamp size145*95mm165*95mm195*105mmHole diameter125140170Material Expansion of the light panel+ Die-cast aluminum+AlSurface colorSand silver+ Expansion of the light board ...