Ultra Definition LED (light emitting diode) PAR30S 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. Philips EyeComfort LED bulbs are designed to be comfortable on your eyes, with no visible flicker or glare. Energy-saving products 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. CRI (Color Rendering Index) 95.