TECHING Mechanical Dragonfly 3D Three-dimensional Metal DIY Assembly Model Kit. Item Condition: New and Unassembled, you need to assemble it by yourself. Material: Aluminium Alloy, Stainless Steel. Number of Parts: 100+pcs. Charging Output Voltage: DC 5V. Charging Time: 2 hours. Usage Time:? 30 minutes after fully charged. Assembling Difficulty: 3 stars. Assembly Time: About 3 hours. Product Dimensions after Assembly: 271220114mm. 1 Set of Dragonfly Parts. 1 Set of Installation Tool. 1pc Charging Cable (You need to use your own power adapter). If you have any questions or are not sure whether it is the correct item that you want, pls feel free to contact me before purchasing. Please don’t easily open a dispute or return request if your products got problems. International Buyers Please Notes.