ENERGY EFFICIENT: Philips LED Dimmable A19 Classic Light Bulbs uses 80% less energy than Incandescent Bulbs while maintaining the look and feel of a classic light bulb. Philips LED light bulbs are Mercury free and Energy Star Certified. LONG LASTING: These Philips LED bulbs last 10x longer than incandescent and halogen bulbs. Each light bulb is expected to deliver a lifetime of up to 10,950 hours and 10 years of light (based on three hours per day), saving you the cost of frequent bulb replacement. WARM GLOW: Philips LED Dimmable A19 light bulbs offer warm and comfortable lighting with high CRI (color rendering index). At 2700 Kelvin the bulbs deliver bright, crisp color ideal for whole room ambient light as well as in area lamps. SMOOTH DIMMING: Philips dimmable LED bulbs are flicker-free, silent, and tested to work with more dimmer switches than any other LED bulb on the market. These A15 light bulbs smoothly dim from 2700K down to 2200K with greater clarity than traditional incandescent bulbs. COMPATIBILITY: These Philips LED light bulbs fit in E26 medium screw bases. Not compatible with Philips HUE products. Philips LED Dimmable A19 light bulbs are for non connected use only. TITLE 20 CERTIFIED: These Philips LED light bulbs meet California's Title 20 criteria and have CRI 90. These bulbs will save energy while illuminating vibrant color and detail.