The anatomy of LED light bulbs offers long life and low energy use with the brightness you expect from a bulb. They're also designed to bring out the best features of your home by fitting every fixture in every room. Some GE LED bulbs use up to 80% less energy compared to incandescent bulbs. Depending on the bulb, you can expect a rated life of up to 25,000 hours. That's about three hours a day, every day of the year, for over two decades! Here are the engineering features that make LEDs perform. Long live LEDs!