Features 1.Moon lamp adjustable brightness, fully of mystery and romance atmosphere, it is a dreamlike and creative gift for Christmas, Valentine's Day, birthdays, party, wedding, anniversary, housewarming, lover, kids, children bedroom, living room, nursery room 2.The moon light uses 3D printing technology, and the surface of the moon lamp is very close to the real moon. Novelty and charming, amazing. 3.The lunar lamp is made of PLA material and is safe and environmentally friendly. Can rest assured that the child to use. 4. Moon lamp with the build-in rechargeable battery, can charge on your computer/power bank or charge adaptor etc. Fully charged in 2-4 hours, 8 hours of use. Parameter Product name: 3D Printing Moon Lamp Material: PLA Production process: 3D printing Light Source: LED Color：7 Colors Color temperature: 3000K （yellow）/ 6000K(white） Brightness: Stepless adjustment Battery capacity: 1 x 400mAh li-po battery ( built-in ) Charging time: 2-4 hours Working time: 6-12hours ( depends on brightness ) Power supply: USB DC 5V 1A Diameter: 8cm 12cm 15cm.