... U type CFL bulb: with excellent tricolor tube,U/spiral/lutos/plum blossom type available,with CE,RoHS,no flick,eyes friendly U type ... CFL bulb:Usingexcellent tri-color tube ... Color temperature: 2700K/6400KLifetime: 8000hrsBasetype: E27, B22, E14Diameterof tube: 9mm, 12mm, 14.5mm, 17mmAppliedfor shops, houses, ...