3D Printer A5S Updated 3d Printing Machine Extreme High Accuracy Large Size Print Size 305*305*320mm   Features:   One Year Warranty:All 3D printers have 12 months warranty, buy it with confidence   Large printing size:The building volume is up to 305*305*320mm (12*12*12. 6 in)   Solid structure:Using CNC sheet metal cutting craft, it will keep printing process stably, which effectively guarantees smooth printing of the model   Filament Run-Out Detection:  In the event of your filament running out too soon, A5S will detect this and pause your print so you can fit a new spool of filament and resume the print, saving you from failed print disaster   Stable glass platform: High-strength composite coated glass that has strong printing adhesion and also allows easy removable of printed model.   Power Failure Protection: Resume printing from where the last print was stopped due to power failure.   32-bit motherboard:  Using Allegro A5984 stepper drivers with 32x micro stepping.   Patented nozzle structure:High-precision independent patent nozzle design that will prevent clogging effectively.   Smart auxiliary leveling:Automatically locate the leveling spot that significantly saves you effort.   Touch Screen Display: User-friendly UI design with 2.8 Inches HD touch screen.   Dual Z lead screw: It decreases the likelihood of print errors, and improving accuracy and precision, resulting in a specified Z-axis accuracy of 0.001mm. add a "pro" level to the printer.   SD card removed accidentally: For any reason happen to remove the SD Card during the printing, you can continue printing by reinserting the SD card.   Easy to assemble: It comes with the frame and the Y-axis box,5 mins setting up after inbox, and Max 30mins to print your 1st sample. easy building and easy operation.   Features:   Type:Metal   Model:A5S   Nozzle quantity:Single   Nozzle diameter:0.4mm   Nozzle temperature:Room temperature to 245 degree   Product forming size:305×305×320mm   Layer thickness:0.05-0.3mm   Memory card offline print:SD Card   LCD Screen:Yes   Print speed:10-120mm/s   Platform temperature:Room temperature to 100 degree   Material diameter:1.75mm   Language:English,Chinese   File format:BMP,JPG,STL,G-code,OBJ   Model supporting function:Yes   XY-axis positioning accuracy:0.011mm   Z-axis positioning accuracy:0.0025mm   Host computer software:Repetier-Host,Cura,Slic3r   Packing Type:Assembled packing   System support:Windows7/8/Windows10/XP, Mac, Lunix   Voltage Range:AC 110-220V   Working Power:300W