1. Safety and environmental protection: PLA material extracted from corn stalk, hard and smooth, non-toxic and odorless, environmental protection. 2. Charge port and switch integration: simple, beautiful and practical, easy to operate. 3. 3D printing technology: printing layer by layer, restoring the true appearance of the moon. 4. You can hold it in your hand. Easy to put on any wooden frame you like, moon lamp key bag pendant baby toy. 5. The perfect gift: Express your love with this warm gift. Your child or loved one cannot resist this fascinating gift. This is also a good decoration for your home. 6. Products: 3D printed night light with keychain 7. Material: PLA silver metal keychain 8. Illuminated color: White light 9. Power mode: Rotate 10. Size: 4x7CM 11. Power: 0.5 watt 12. Brightness: Smooth adjustment