State-of-the-art electronic, compact fluorescent bulbs are the smallest sized full-spectrum, energy saving lights available. These 26 watt compact fluorescent bulbs fit into a variety of light fixtures such as table lamps, wall sconces and track lights. Full spectrum compact fluorescent bulbs 6400? Kelvin, provide natural color comparable to sunlight, increases visual activity and reduces eye fatigue. These bulbs are excellent for indoor greenhouse applications, where the sun's natural light is not available.