1.Tri-color/pure powder 2.Energy saving 80% 3.E27/B22 base 4.long lifetime 5.competitive price Use three basic colour flouresence powder tube, uniform and soft light,close to the nature light, low Lumens depreciation.Long long life time,almost 6 to 8 times than ordinary incandescent lamp,energy saving rate can be more than 80%.High quality plastic part, anti-interference, Radiation protection, ...