4.3inch Touch Screen: Equipped with a 4.3inch full-color touch screen with user-friendly UI interface, allowing you view and select files easily, and provides you with a completely new operation. Super Quiet and High Precision: Adopts with TMC2208 drive chip with higher subdivision and a nozzle 0.4mm in diameter, which will reduce noise while working and ensure higher running accuracy. Filament Run-out Detection and Resume Printing: When the 3D printer has run out of filament, it will automatically notify you. Also, the printer can be resumed to print when it recovered from a power failure.