... E27 LED Lamp 1.LED lamp power 5W,540Lm 2.CE & RoHS approval 3.Warrenty 2 years 4.High brightness, more energy-saving E27 led ... electronic ballast of energy saving lamps produces electromagnetic interference!), more lamp beads, still can be used even if some beads damaged ... s fading or discoloration, no radiation, DC drive, no frequent flash, visual fatigue can be eliminated. 3. High efficiency: Small ...