Easy to Use - The 3D printer is easy to install and remove, touch screen control makes it easy to use. AC Heating Platform - For quick heating, easy to remove print models and save on masking tape. Power Failure Protection - Continue printing from the position where the last print was stopped during the power failure, and you can stop the continuous operation or power off. Direct Drive Extruder - With Titan Extruder, it makes your printer more reliable, especially for flexible filaments. Synchronized Dual Z System - Make sure both side of the gantry move ups and downs the same height and at the same speed, ensure the X carriage always move parallel to the build plate, even when one of the Z-stepper breaks down.