Provides color-correct light! Complete with 22-watt fluorescent circline tube and 100-watt incandescent bulb that gives perfectly balanced light intensities, near sunlight illumination. 9 1/2" diameter shade is doubly insulated and vented. Triple-button switch allows combination or separate use. 45" arm reach. “C[quote (right)] clamp for drafting board mounting, convenience outlet in base, 3-conductor cord. UL-listed.