... lamp T2,T3, T4 tube are availableSpecifications of energy saving light bulbs:Optional wattage: 7-32W Operating voltage: 110 to ... 130V or 220 to 240V Frequency: 50/60Hz Average lifetime: 8000 hrs/10000hrs ... Temperature: 2,700K/4,100K/6,500KApplications of energy saving light bulbs:Shopping malls, table lamps, pendent lamps, supermarkets, restaurants, ...