Rated up to 11,000 hrs at 70% lumen maintenance, Contractor Series LED A19 lamps offer years of service and reduce energy and maintenance costs. Contractor Series LED A19 lamps are environmentally preferred products. They are RoHS compliant and contain no mercury, lead or other hazardous materials. They emit no UV or IR radiation. A CRI of 80+ ensures good color definition. Available in warm white 2700K CCT, bright white 3500K CCT and daylight 5000K CCT, these lamps offer a great value where a non-dimmable, semi-directional lamp is appropriate in both homes and businesses.