... 1.High Power Factor2.Low harmonic distortion3.Over-current protector4.Lamp-saving rapid start5.Radio-interference suppressed OEM is welcomed ... input voltage :160~250v7)80% energy saving8)Optional Base :E27,B229)Plastic housing : PP,PC,PBT10)Flicker free and instant ... , in the same watt , between energy saving lamp and incandescent lamp, energy saving lamp can save 80% power ,average lifespan can extend ...