Material in standard size:5V 2A 10W porcelain pen 190-230°C discharge diameter ~0.7MM 2 speed shift LCD display Use consumables, ABS PLA Advanced technology: Power on the screen, the default Pla presses the feed button to start heating, the heating finishes the green light, the single feed button defaults quickly, double-click the feed button to slow down, click the return button to continue the material return, and enter the sleep after not operating for 80 seconds. And then shut down into power mode Two buttons simultaneously press and hold to switch ABS mode, green light flashes. Creative gift for kids and adults: 3D pen set as a creative gift for yourself, kids over 8 years old, adults, artists, hobbyists. This 3D pen allows you to create creative motifs without limits of imagination. Unlike other 3D printing pen, The Acerb 3D pen can also use 5V/ 2A power bank. You can draw your creation anywhere Adjustable speed and temperature: with 8 different speed levels, it is more accurate to control the filament extrusion speed. The temperature can be adjusted to melt different material. Led screen displays the real-time temperature 18-Month warranty: supported with 18 months warranty and 30 days no reason refund or replacement. If you have any question about the 3D pen, please feel free to contact our customer service team