Down lighting -vertical&Down lighting&recessed lamp& multi light Features: 1.Material: Outer ring made of pure aluminum, novel, fashlonable and elegant, resist high temperature; No discoloring or distortion for long time. 2.Outer ring: Plane inside and outsidewith bevel edge, plane for option according to different applications. 3. According to customers requirement, there are sand silver, sand black and sand gold colors for option. Applicationand office and so on.