... offered Specifications high quality/competitive price half spiral energy saving lamp 5w/7w/9w/11w SpecificationsTypehalf spiralOutput(W)5w,7w,9W ... % more energy than ordinary incandescent lamp.2)with high quality tricolor tube, high lumens and low light recession, good choice of daily ... available.Details High Quality/Low Price Half Spiral Energy Saving Lamp/Light Bulb 5w/7w/9w/11w ESL/CFL