Meanwell Power Supply: Ender 3 Pro comes with a UL Certified Meanwell power supply, protecting your printer from unexpected power surges, that can heat the hot bed to 110? in just 5 minutes. Removable Flexible Magnetic Plate: Provide all-round protection to your 3D printer build plate and ensure consistent temperature throughout the build surface. Easy to remove the printing models after cooling. Resume Printing Function: Ender 3 Pro can resume printing from the last recorded extruder position after suffering unexpected power outages. Semi-Assembled Kit: This easy-to-setup kit comes partially assembled, allowing you to learn about the basic construction of 3D printers as you finish putting it together. A fun STEM educational experience in mechanical engineering and electronics. Thermal Runaway Function: Thermal runaway function is pre-installed in the motherboard. You do not have to load it by yourself.