... ,RoHS,no flick,eyes friendly full spiral CFL bulb:Usingexcellent tri-color tube, high lumence, low light recession, no flick, eyesfriendly, environment friendly ... of CE, RoHs, ISO 9001:2000Main shape:2U, 3U, 4U, spiral, lotus, plum blossomWatts: 7w, 9w, 11w, 12w, 15w, 20w, 24w ... , 12mm, 14.5mm, 17mmAppliedfor shops, houses, hotels, offices, etc. full spiral CFL bulb