Features: Lightweight 3D pen, no burden using and carrying. Intelligent standby function design, easier to operate. Stepless speed control for more precise and stable extrusion. A single press can continuously squeeze the flow, making it easier to graffiti. Drawing with 3D pen, which can helps children to improve spatial thinking ability, to encourage their creation and imagination. Specification: Type: 3D Printing Pen Kit Pen Tip Material: Ceramic Nozzle: Approx.0.6 mm / 0.02in Support material: 1.75mm PLA / ABS Filament Length: Approx.17cm / 6.7in Power Output: 12V 2A Plug Type: US Plug, EU Plug, UK Plug, AU Plug(Optional) Voltage: 110-240v Size: Approx. 185 * 50 * 30mm / 7.3 * 1.9 * 1.2in Package list: 1 * 3D Printing Pen 1 * Power Adapter 1 * User Manual 1 * Picture Album 1 * PLA Filaments(Random Color) Note: 1. Please note that the PLA filaments are shipped in random colors. 2. Please allow slight error due to manual measurement. Thanks for your kind understanding. 1、Drawing with 3D pen, which can helps children to improve spatial thinking ability, to encourage their creation and imagination. 2、A single press can continuously squeeze the flow, making it easier to graffiti. 3、Stepless speed control for more precise and stable extrusion. 4、Intelligent standby function design, easier to operate. 5、Lightweight 3D pen, no burden using and carrying.