... E26/E27 base 4. 80% energy saving LED Lamp E271. with CE&RoHs2. 5W LED power consumption3. E26/E27 base4. 80% ... 80% percentHigh power Epistar 5*1W LED lights High luminous and high quality LED lighting,low light attenuation.Isolated constant current ... alloy heat sink construction Applications LED Lamp E27:Office,Meeting room,School,Libary,Factory,Gallery,Warehouse,Hotel,Parking Garage,Hospital,Shpping ...