Second-generation 3D printing pen, graffiti pen, 3D painting printing pen with temperature display

The main difference between the first-generation pen and the second-generation pen:

Difference 1: 1st-generation pens can only use ABS supplies, do not have LED displays, and cannot see real-time temperature;

Difference 2: The 2nd generation pen adds an LED display, allowing you to view and adjust the temperature anytime and anywhere, which is convenient and quick.