... 3.Long time,competive price 4.Environmental Friendly, 15W Half spiral Energy saving bulbs Description:01)Voltage:110-130V/220 ... )Tube diameters:5,7,9,12,14 ,17mm04)Base type:E14,E26,E27,B22,E4005)Luminous flux:660LM06)Rendering Index ... & steady performance.5.More compact structure and elegant appearance6.Flicker-free starting operationApplications:Shopping malls, house lamp, table lamps, restaurants, ...