3u energy saving lamp,3u lamp,energy saving 3u lamp,3u light 15W,18W,20W,22W,24W,26W,28W,30Wetc. 3U Energy Saving Lamp,3u lamp,energy saving 3u lamp ... :50/60HZ4)Life-span:5000-8000hrs.5)Color Temperature:6400K6)Energy saving is 80% more than other common bulbs7)Service life:8times ...