How many watts does the desk lamp fit?
5000K tube as eye protection lamp is closer to noon, natural sunlight color temperature is good for eyes.
The most common indicator of the spectral quality of light sources. The color temperature is defined in terms of absolute black bodies. The radiation of the light source is exactly the same as the radiation of the blackbody in the visible region, and the temperature of the blackbody is called the color temperature of the source.
Buying a desk lamp does not necessarily depend on the wattage of the tube, but also on the color temperature of the tube.