SunBlaster's 26 watt Compact Fluorescent Light (CFL) with late summer daylight output is the equivalent of a 100 watt incandescent bulb with high output self-ballasted lamps and low energy consumption. Sun Blaster all purpose CFL light bulbs are for designed for horticultural use, however they work equally well in the Office, Warehouse, Classroom, Household anywhere flicker free, healthy full spectrum lighting is desired. The SunBlaster 26 watt 2700K CFL utilizes State-of-the-art electronics that make them the smallest sized full-spectrum, energy saving light bulbs available. SunBlaster 26 watt CFL compact fluorescent bulbs fit into a variety of light fixtures such as table lamps, wall sconces and track lights. These bulbs are cost effective replacing your high wattage, short lived incandescent bulbs. SunBlaster Full spectrum compact fluorescent bulbs output at 2700 Kelvin, providing natural color comparable to sunlight, increasing visual activity and reducing eye fatigue. SunBlaster CFL bulbs are excellent for supplemental lighting in indoor greenhouse applications, where the Sun's natural light is not available. Featuring an 1,700 lumen output and a 10,000 hour life these light bulbs are the equivalent of a 100 watt incandescent bulb and draw only 390mA. Dimensions are 5.4" x 2.4" inches, easily screwing into any standard light socket.