The Creality CR-10-S5 has an open frame and a heated print bed. The CR-10-S5 offers a LCD screen and a SD card reader for a simpler user interface. This 3D printer is compatible with Cura, simplify3D and Repetier Host software. The nozzle diameter default size is 0.4 mm on the CR-10-S5 and Creality offers an extra 0.3 mm diameter nozzle for free.Note: This 3D Printer is semi-assembled ,all you need is just putting the frame together and connect some wires, no soldering required. So in about 30 - 60 min you will be printing.New Creality CR-10-S5 Highlights:Filament Monitor: There is a filament sensor attached to the extruder, once there is lack of filament, it will alarm and stop, then it will continue to print until reload new filament. Dual Z Rod Screws & Motors: It is different from standard CR-10, there are two Z axis screw rods and motors on this printer, it has much more stable performance.Dual Lead Screw design will stabilize the printer on larger, tall printsProduct Highlights:• Super printing size with competitive price• High printing accuracy can meet the industrial needs.• Patent technology for XYZ aluminum V-slot bearing + precision roller with high positioning accuracy to make it run smoothly and get higher quality product.• Simple design, easy to make, to avoid the cumbersome installation.• Industrial-grade PCB can continuously print for about 200 hours (under ideal conditions), with matures printing technology and stable performance.• Patent MK10 nozzle extrusion structure can print more printing material without block.• Electronic control host was separated from the printing body, in order to meet the needs of refitting printing size to various specifications according your imagination• CR-10-S5 has now Dual Z Lead upgraded screw kits to ensure the perfection and stability in printing leads to higher precision results.