Downlight-vert,vertical down light popular design,down light 1: Material:outer ring made of zinc alloy,novel,fashionable,resist high temperature;no discoloring or distortion for long time. 2:outer ring:simple turnning design size:Dia:2.5",3”,3.5”,4” 3:Lamp holder:E27 4:Cutout: 2.5 inch according to customer’s requirement,there are sand silver,silver colors for option. 5:Package:as your request 6:Aduantage:Quality assurance,OEM professional PS The products do not oncluding the ballast and light sourse