Our high-definition bulbs are an improved, energy-saving LED that enhance the appearance of colors. Experience the difference with bolder colors and enhanced contrast vs our standard LED bulbs. Refresh HD light offers a cool, invigorating light ideal for energizing moments and active spaces. Use refresh HD light in playrooms, home offices and laundry rooms.Rated to last 13 years based on 3 hr per day useDimmable and works with most dimmer switches