ENERGY EFFICIENT: Philips LED GU10 Dimmable Light Bulbs use roughly 80% less energy than 50 Watt Incandescent Bulbs while maintaining the look and feel of a classic light bulb. Philips LED light bulbs are Mercury free, Energy Star Certified, and Title 20 compliant. LONG LASTING: These Philips LED bulbs use 1/5 the energy of 50-Watt halogen bulbs. Each light bulb is expected to deliver a lifetime of up to 25, 000 hours and 22 years of light (based on three hours per day), saving you the cost of frequent bulb replacement Philips LED Dimmable 35-Degree Flood Light Bulbs offer warm and comfortable lighting with high CRI 90 (color rendering index). At 3000-Kelvin the bulbs deliver bright, crisp color ideal for halogen lamps and track lighting 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 spot light bulbs smoothly dim from 3000K down to a soft glow with greater clarity than traditional halogen bulbs COMPATIBILITY: These Philips LED light bulbs fit in GU10 bi-pin bases. Not compatible with Philips HUE products. Philips LED Dimmable GU10 light bulbs are for non connected use only