DAYLIGHT-Circular Fluorescent Tube Light Bulb. The unique Daylight technology used in this bulb helps to reduce eye-strain while consuming 75% less energy. It is only a 22W bulb but it has the equivalent light of a 110W tungsten bulb. The model number is U12010 and it fits the Daylight Slimline Magnifying Lamp (not included). This package contains one light bulb. Imported.