The light shell is thicker than E27 standard base lamp, provide a long life time usage and better heat transfers. Lastest LED design technology from Lumileds which can provides high efficiency 100lm/W, input voltage range 100-250 VAC. The constant current driver design provides an output that is regulated to deliver a constant current. This is a perfect option for energy saving consumption and commercial lighting applications with an aesthetic streamline design. Idea for home lighting, oce, hotel, vessel, solar system, etc.