Three colors, dimmable :The reading light can be adjusted in three colors, white, warm white and natural white, single press the button to change the color, long press the button and hold it for more than 2 seconds to adjust the light brightness, different light brightness can adapt to your needs for light brightness when reading in different scenes. Book Light Clip You can use the clip on the back of the book light to clip the book light on your books and enjoy reading without worrying about the light affecting your roommate or others, because the light body has a silicone bendable rod, so you can bend it to any position or angle you want to illuminate. Convenient Storage Clip-on book light has a wire slot on the side to store the bendable rod, you can store the rod in the wire slot, you can always take this book light with you, it takes up very little carrying space, because this light is only as big as a car remote key. It is suitable for studying, reading, working, traveling, camping, etc.