-Dimmable Brightness: Easily adjust the brightness of the Wooden Mushroom Lamp, allowing you to set the perfect lighting level.-Button Control: The lamp is operated by a button switch to turn on/off the lamp and adjust the brightness levels.-Power Source: The lamp is powered by a USB charging cable.-Materials: The lamp is made from high-quality beech and wood.-Dimensions: The dimensions vary by each size. Please see the product dimensions images for more details.