1. Safe Materials: Made of BPA-free ABS and ceramic, shapes fast with non-toxic PLA filament. 2. LCD Screen: clear mode/temperature/speed display and indicator light, know exactly how your pen is working. 3. Adjustable Temperature: 2 modes include PLA(160-210℃) and ABS(210-235℃). 4. Stepless Speed Adjustment: Without speed levels limit, perfect for tasks from slower intricate project to faster infill work. 5. Reliable Motor: Smooth extruding experience, no clogging. 6. Upgraded Heat Dissipation: Cool off fast, longer life span. 7. Auto Sleep Function: Pen will auto shut off after idling for 2 mins. 8. Ergonomic Handle: Lightweight and thin body, comfortable holding. 9. Superior Safety: Various certificates of approval, child friendly.