Long lasting with an average life of 10,000 hours. Ideal for a variety of indoor applications. Allows for increased energy efficiency. Dims easily to suit your needs any hour of the day. Dimensions: 6.5L x 4.6W inches. Stop letting your money flow out of your sockets with the Bulbrite 26W Daylight Dimmable Quad Tube CFL Light Bulb - 10 pk. lighting your home with great efficiency.