Description: These amazing, energy-efficient lights help you reduce energy usage while supplying bright, natural light. Convenient, dimmable bulbs. Efficient PAR-30L bulb uses just 13 watts of power yet exceeds the light output of 75-watt PAR incandescent bulbs. Proprietary CrimpFin Heatsink Design. Durable bulbs last up to 50,000 hours, with a 5-year warranty. No UV or IR radiation. 0.9 power factor.