This 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 20,000 lumens using just 150 watts - saving up to 82% in energy costs over equivalent 1000 watt incandescents. These bulbs have an average life of 30,000 hours/32 years, are ROHS compliant, and are 100% Mercury-free.