The Sonic Mini 4K is the most beginner-friendly 4K 3D printer on the market, offering ultra-high resolution with 722 PPI, the highest PPI ever! The printer offers 4K resolution printing at 35μm with a large printing area of 6.1", producing highly detailed 3D printed parts that match your exact 3D printing designs, regardless of the size of your model. Using Monochrome LCD technology, the Sonic Mini 4K is one of the fastest 3D printers on the market, being able to print one layer in ONLY two seconds! Our LCD screens work for over 2000 hours and we provide a free 3-month warranty as our guarantee.