HyLite LED A-Lamps are the most efficient, longest lasting replacement for incandescent and CFL light bulbs. The proprietary design of HyLite LED A-Lamps offers excellent thermal management, light output, and efficacy. The key to a long-lasting life of HyLite LED A-Lamps is exceptional thermal management. They are rated at 25,000 hours of lamp life. This is 25x longer than a traditional incandescent bulb & 6x longer than a CFL bulb.