The Westinghouse 6.5-Watt (40-Watt) Omni Dimmable LED Light Bulb with Medium Base and Warm White Color can reduce energy and operating costs up to 84 percent compared to a standard incandescent or halogen bulb with the same light output. Providing up to 25,000 average rated hours of use, this durable light bulb offers long-term use, dependability and is suitable for damp locations. This light bulb turns on instantly and is compatible with most dimmers. With a warm white color, the bulb offers excellent color quality while conserving energy. Free of harmful mercury, this LED is an environmentally-friendly choice. The Omni Dimmable LED Light Bulb is backed by a three-year manufacturer"s warranty. Product reference number 03425.