Compatible with PLA, ABS and PCL filaments. Suitable for 1.75mm filament requiring high temperature printing (wider range of filament)Equipped with LCD display to view printing information, It can directly reflect the current working status of the printing pen.The 3D Pen adopts the external power supply mode, which can use a power adapter and mobile power supply.8 speed gears and 6 buttons, Printing speed and printing temperature can be adjusted in real time, printing doesn't stop when adjusting, bring you a smoother printing experience.With an easy-to-grip ergonomic design and a low-temperature spout that won't scald your hands. At the same time, the replaceable pen tip facilitates cleaning and maintenance, the pen tip can be removed and replaced without the use of tools.