This LED reading light has 3 levels of brightness adjustment. There are more settings for reading lights than others. Suitable for all kinds of scenes and people who are sensitive to light Eye protection function---This round head LED book light simulatesthe diffuse reflection of natural light, reduces multiple shadows, has a clear view, no flash, no glare. Causes eyestrain unlike other book lights that emit from one point Sturdy Clip and Flexible Neck --- A sturdy clip with padded clip on any furnitureedge that won't scratch it. The flexible neck allows you to bend and twist to the exact position, and the clip-on light lets you get plenty of light wherever you are The charging function lets you read anywhere, saving you the hassle of connectingwires. Package includes: 1 clip-on touch sensor desk lamp