This C15000/5K/LED corn cob-shaped LED light bulb from Feit Electric provides maximum illumination for large rooms, barns, or anywhere you need more light. Each bulb comes with a mogul base adapter to easily upgrade HID non-ballast fixtures to LED. Energy-efficient LED technology puts out an ultrabright 15,000 lumens using just 125 watts - saving up to 83% in energy costs over equivalent 750-watt incandescents. These bulbs have an average life of 25,000 hours/22.8 years, are ROHS compliant, and are 100% Mercury-free.