Blusmart&reg; P33 New 3d Pen Updated Model Printing Drawing Pen With LED Screen Ver.2015 (Purple) Temperature Adjustment by Different Materials: Different temperature levels can be chosen depending on the nature of material thats being drawn.Safe Non-toxic ABS/PLA materials switch according to the temperature you need. Adjustable Spinning Speed to Control the Filament:You can adjust the speed at which the plastic filament melts so that it matches the speed of your hand movements. LCD Screen Display: It shows the ABS/PLA mode you set before you insert the related filament,also help you regulate the temperature and speed with absolute ease. Compact Light-weight Design:Coupled with its lightweight construction of 65g and its ergonomic design the 3D pen provides a very comfortable writing position. This greater degree of comfort and control allows you to keep drawing for hours without any soreness or fatigue. Auto Standby Mode: In order to ensure durability of the heating element and to save power, the device comes with an auto standby mode. This feature ensures that the heating element automatically shuts off after 5 minutes of inactivity.