Made by a 3D printer this Moon night light has a built-in rechargeable battery, which can be charged up for 2-3 hours using the USB lead provided and will then provide 8 -10 hours of calming and relaxing light. Using the remote controller you can select different colours, modes, brightness. The moon light can be held in your hands or rested on the wooden stand provided. 1 x CR 2032 3V battery required for the remote controller.