[Technology for 3D] The 3D technology used to create the moon lamp is based on an actual NASA moon topographic map. We can clearly print out the details of the moon's appearance thanks to our optimized 3D technology. You can see the moon's basins, craters, and mountains on the shell when the lamp is on. [Rechargeable] It has an internal rechargeable battery that can run for about eight hours after two hours of full charging. The package will include a USB charging cord that works with any standard USB charger. [Easy Control and Support for Two Colors] There are two settings for the moon lamp: bright white light and gentle yellow light. Touching the metal tip on the bottom makes switching it simple. [Dimmable] Because of the dimmable feature, it