Features 1. Updated mainboard with silent TMC2208 stepper drivers: Compared to the other, a V2 design that delivers users out-of-the-box experience and silence-oriented upgrades(quieter 3D printers). 2. A screen with updated easy to use interface 3. Heating Element Enclosure. 4. Smart filament sensor and resume printing. 5. Easy filament feed function. 6. X and Y-Axis Belt Tension: quick and fast adjustment. And better to improve dimensional accuracy. 7. Y-Axis-4040 aluminum extrusion: The Y Axis has been replaced with a 4040 extrusion. 8. Nozzle and Toolbox, convenient and tidy.