... range, 50Hz or 60Hz 2.conserve 80% energy 3.CE , RoHS Article name: Half Spiral Energy Saving Lamp Power: 5W, 7W, 9W, 11W ... or 50pcs per cartonAbout us Zhangjiagang City Lvyuan Lighting Electric Co,.Ltd, has set up for ten years , integrated with R&D ... equipment and professional R&D team . As the leading products , energy saving lamp series , LED lamp series , solar garden light series , ultraviolet ...