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. Install Refresh HD indoor floodlight bulbs in indoor recessed fixtures to illuminate rooms with broad beams of light.Rated to last 13 years based on 3 hr per day useDimmable and works with most dimmer switches