This Ultra Definition dimmable bulb is both comfortable for your eyes and enhances the way you see colors around you. With a high color rendering index (CRI) comparable to natural light, you can enjoy full- spectrum bright white light that brings out the true colors of your home. Includes a 3-year limited manufacturer warranty. See true colors - ultra-definition bulbs are equipped with a color rendering index of 95 (CRI95), bringing out the true colors of your home allowing you to enjoy natural lighting indoors. EyeComfort - our LED lights are designed for the comfort of your eyes, meeting our strict criteria for EyeComfort, a standard we developed to measure key factors that impact the comfort of your eyes. Commitment to sustainability - signify is committed to creating brighter lives and a better world by reducing the environmental impact of our products, phasing plastic out of our packaging and replacing with alternatives such as recycled paper Dims to a warm glow - this bulb dims to a cozy warm glow just like traditional incandescent bulbs. Familiar glass design - get the look and feel of traditional glass incandescent bulbs with the energy-efficient performance of LED. Bright white - this bulb has a color temperature of 3000K, creating a bright white light effect similar to the output of traditional halogen bulbs perfect for task lighting in any room of the house. Long-lasting - enjoy long-lasting, beautiful light for up to 15, 000-hours (add in LED footnote) or up to 15-years with average use of 3-hours a day. Energy saving - enjoy the energy-savings and beautiful light of Philips LEDs and save up to 80% on your energy usage.