-Wireless Technology: Bring the Moon Lamp anywhere since it's portable after being charged. After fully charged, the lamp lasts up to 10 hours. -2 Colors: Conveniently change the Moon Lamp between two different colors, including warm white and cold white, to reflect your mood and transform your space. -3D Print Technology: Each lamp takes 26 hours to individually 3D print. Every crater has been carefully designed to reflect the moon's surface using real satellite imaging. -Touch Control: The lamp operates by touch control to switch between the various light settings. Simply tap on the top of the lamp. -Power Source: The Moon Lamp is powered by a USB charging cable. -Materials: The lamp is made from high-quality ABS and PVC filament, and the stand is made from engineered hardwood. -Diameter: The Moon Lamp has four sizes, including: -Extra Small (XS): 3 inches (8 cm) -Small (S): 4 inches (10 cm) -Medium (M): 6 inches (15 cm) -Large (L): 8 inches (20 cm)