... Cut-out(mm):150 3.Material:Aluminum 4.Size:4"5"6" Specifications1.Power:1*13W,1x18w2.Voltage:220v3.Model ... oxidation,high efficiency and energy saving.flash mirror inner surface.5.High brightness, good heat dissipation6.High luminosity,super quality, ... and easy to intall.7.Apply to exhibition centre, shopwindow, exclusive store, museum, supermarket, hospital, etc. 5 inch Horizontal Down Light Energy ...