Parameter Product name: 3D Printing Moon Lamp Material: PLA (Environmentally friendly materials) Production process:3D printing Light Source: LED Diameter: 8CM/10CM/12CM/15CM/18CM20CM Brightness: Stepless adjustment Battery capacity: 400mAh li-po battery( built-in ) Charging time:2-4 hours Working time: 8-10hours ( depends on brightness ) Power supply: USB DC 5V 1A Package 1 x 3D Moon Lamp(built-in battery)(16 colors including remote control) 1 x Wooden holder 1 x USB Power Cable 1 x Instructions