This 40 Watt Equivalent, CA10 LED Dimmable Light Bulb, (2700K) E26/Medium (Standard) Base provides warm lighting in a shape you’re used to, these bulbs are an easy step into energy efficient lighting that looks good. Ideal for general purpose lighting applications such as ceiling fixtures and portable lamps where a traditional look is desired as well as energy efficiency. Get the traditional look you want for your home with the energy efficiency and long life of LED technology.