Ultra Definition LED (light emitting diode) R20 dimmable light bulb. Specifically designed to provide high quality natural light that helps you see better. Enjoy comfortable, full-spectrum light that brings out the true colors and textures of your home. EyeComfort LED bulbs are designed to be comfortable on your eyes, with no visible flicker or glare. Energy-saving product with plastic-free packaging. Dims to a cozy warm glow just like traditional incandescent bulbs. Get the look and feel of traditional glass incandescent bulbs with the energy-efficient performance of LED. Enjoy long-lasting, beautiful light for up to 15,000 hours, or up to 15 years with average use. CRI (color rendering index) 95.