Item Type: 3D Printing PenMaterial: ABSModel: for LZ-A4Outlet Diameter: Approx. 0.85mm / 0.03inConsumable Material: PCL (70-90)Power Socket: DC SocketPower Cord Length: Approx. 1meter / 1.1ydPower Specification: 5V/1AWorking Hours: 70 MinutesBattery Type: 800mAh Rechargeable Lithium Battery (Built In) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; } 1Ergonomic Design: With ergonomic design, the 3D printing pen conforms to the holding posture of children, easy to use and easy to hold. 2Function: 3D printing graffiti pen can stimulate children's imagination, enhance creativity, and enhance their patience. 3Low Temperature: Using sophisticated production technology, the 3D printing pen is not hot at low temperatures. 4Multicolor Consumables Optional: Multicolor consumables are available, using PCL environmentally friendly degradable consumables, which are safe and harmless. 5Perfect Gift: It is a perfect gift for children on Children's Day, Christmas and Birthday, suitable for graffiti painting.