GE Refresh HD Daylight LED 60-Watt Replacement ST19 decorative light bulbs with a medium base provide enhanced color contrast and boldness versus standard LED bulbs. The high definition daylight light helps create an energetic light that's ideal for active spaces like playrooms, home offices, laundry rooms, basements and garages. They're dimmable and illuminate your home with a cool, bluish-white light. These decorative bulbs are great for frequently used fixtures—this GE Refresh HD Daylight LED bulb is rated to last 13 years and cost just 66 cents to operate each year based on 3 hours use per day at 0.11 dollars per kilowatt hour. Unlike CFL bulbs, GE LED HD bulbs feature enhanced color, instant full brightness and are free of Mercury. Replace CFL and incandescent light bulbs with GE Refresh HD Daylight LED ST19 bulbs with a medium base in dimmable indoor chandeliers, sconces and fixtures where the bulb is visible, including damp locations.