... ), 110-230V, 2700K/4000K/6500K, 8000H high quality. half spiral energy saving lamp:Power: 9W, 11W, 13W, 15Wtube diameter: T3(9-10mm)Color ... equalSaves up to 80% energy cost Packing:1pc/box, blisterOuter packing: Paper cartons, palletsWe have our own Tube machine, and can make ... . We have CE&EMC, RoHS and ISO9001 certifications. half spiral energy saving lamp