Features: 1. Exclusive ultra-quiet driver printing.2. Material interruption detection and recovery (interrupted material continuous printing).3. Resume printing after power off, if the power is off unexpectedly during printing, accurate printing can be continued after power on.4. Short-range extrusion with volcanic head nozzle, faster discharge, larger capacity, and better support for printing soft materials.5. Exclusive AC heating bed with out-of-control protection for heating, faster heating, rapid heating to 110 degrees in 130 seconds.6. USB/TF offline printing support.7. Super large leveling nut makes leveling more convenient.8. Full-color touch screen control printing, more beautiful.9. Double Z-axis synchronous design, high-speed movement is more .