... flick,eyes friendly full spiral CFL bulb:Usingexcellent tri-color tube, high lumence, low light recession, no flick, eyesfriendly ... certificate of CE, RoHs, ISO 9001:2000Main shape:2U, 3U, 4U, spiral, lotus, plum blossomWatts: 7w, 9w, 11w, 12w, ... 26w,30w etc.Colortemperature: 2700K/6400KLifetime: 8000hrsBasetype: E27, B22, E14Diameterof tube: 9mm, 12mm, 14.5mm, 17mmAppliedfor shops, houses, hotels, ...