Opal LED tube to replace traditional T8 fluorescent tubes, 18W 1800lm, color temperature pure 3000K, G13 base, life approx. 25,000 h. Size ⌀ 26 x 1200 mm. The LED tube comes with an LED starter (a short circuit switch). Turns on without delay immediately producing full luminosity even in sub-zero temperatures. Better quality of light than is produced by fluorescent tubes. Turns on without flickering. Continuous uniform spectrum, no color distortion. No UV or IR radiation. Does not contain mercury.