The Zhongdi ZD-20U USB Powered Soldering Iron is an ideal tool for embellishment on 3D printing models. It operates at 5V and 8W power, making it efficient and precise for delicate tasks. As a factory producing this product, we guarantee its quality and durability. The USB power makes it portable and easy to use, while the ergonomic design ensures comfortable handling. Whether you're trimming or adding details, this soldering iron is a must-have tool for 3D printing enthusiasts. Up your design game with the Zhongdi ZD-20U USB Powered Soldering Iron.