With 4 levels of brightness and 5 levels of color temperature,it bring you a super suitable experience for daily life. Easy on your eyes: light guide panel transmits light sideways for glare-free illumination. Your favorite light: press a single button to set and activate your favorite Color/brightness setting. Best Of All, It Is Economical, Reliable, & Energy Efficient. Power consumption rated at a low 8W. Whatever in studying or working,it is a good patner to all of you.