Features: [Greater Extrusion Force & Higher Printing Accuracy] 5:1 ratio dual-drive metal gear Direct Drive Extruder; [High-Speed & Premium Quality Print] Up to 250mm/s print speed, Geeetech M1S uses advanced algorithms built-in: Input shaping and pressure advance; [Wifi Connectivity & App Control] Anytime,anywhere: One-Touch printing, extensive library- a kid's toy factoy. Download ‘Geeetech’ APP (iOS/ Android) → Access Model Library → Print Anywhere; [Upgraded Firm and Stable Structure] Equipped with reinforced Leather pulley, hotbed three bearings, and thickened filament bracket; [Fully Automatic 16-Point Leveling] Integrateed a high-precision pressure sensor on the hotend for elaborate measurements; [Efficient Heat Dissipation] Geeetech M1S uses a 50×50×15mm large-size blower to improve printing speed and model quality to prevent overheating issues; [42*42*35mm Large Stepper Motor] Providing strong power for each X-axis, Y-axis, and Z-axis; [User-Friendly & Easy to Start] The M1S mini 3D Printer is designed as the best 3D printer for beginners. It offers a 2.4" color LCD screen, a filament runout sensor, auto nozzle cleaning, and built-in high-brightness LED lighting. These beginner-friendly and safety-focused features also make it an ideal 3D printer for kids and creators of all skill levels. Note: Geeetech M1S is equipped with a 0.5kg filament holder, if you want to replace it with 1kg holder, pls download the stl here: https://www.geeetech.com/model_details.html?id=179