... Flicker-free starting operation Ideal replacement of incandescent lamp T2, T3 and T4 tubes are availableSpecifications: Optional power: 13 ... , 15, 18, 20 and 24W Operating voltage: 110 to 130 or 220 to 240V Frequency: ... 50 or 60Hz Lumen: 825, 990, 1,100, 1,300 and ... 000 or 10,000 hours Optional base: E27 and B22 Optional color temperature: 2,700, 4,100 ...