LED light bulbs are the modern lighting standard, combining the best of energy-efficiency, product life span, and quality of light. LED lights are designed to replace older technology, and can find use in nearly any application. These lights use less energy than other types and run cool to the touch. Because of their cost-effectiveness and long-life spans, they're typically recommended over their older counterparts.Satco's model S39057 fixture uses up to 8.5W of power, with a brightness of 540L lumens. It's easy to install, and produces a cool white light. With typical use, it lasts about 40000 hours on average before requiring a replacement. This product is sold in multiples of 1.