【Print Size】: 220x220 x250mm/ 8.7"x 8.7"x9.8" . Automatic memory function, resume printing even after a power failure. 【Filament Used-up Detection】: the printer will beep as a remind, so you can change the new filament in time before the filament run out, and it will continue printing after changing. 【SD Card Hot Plugin】: SD card protection for extraction and insertion in accident. If you take out SD accidently during printing, you can re-insect SD card and continue printing. 【Detailed Design】: FA special material printing bed, high adhesion, flexible substrate, easy to remove the models. Industrial grade silicone wire and Built-in Power supply are safer and durable. 【Fast Assemble】: the printer come with 8 parts, It will take you about 2 hours to build and you can enjoy the process of DIY.