Mini 6U Energy Saving Lamp: Low power( 11W, 15W, 18W, 20W, 23W), wide voltage ... ~230V), small and delicate figure. Article name: T2 6U Energy Saving Lamp Power: 11W, 15W, 18W, 20W, 23W Diameter of Tube ... Plastic material: PBT Tube powder: Tri-phosphor Inner packing: Color box or insert card Outer packing: 50pcs per carton