QIDI Tech S-Box is a fully upgraded large size version by our company. S-Box uses 2K 10.1" screen size: 8.5 inches (215 mm) (L)*5.1 inches (130 mm) (W). Upgraded matrix UV Module, With the Upgraded matrix of 96 UV LED arrays, S-Box printing resolution is much better, higher intensity and shorter time of curing, the printing is more uniform. Upgraded leveling structure: S-Box is equipped with a professional one-key leveling structure, which makes leveling easier and more stable. The printing area is 8.5 x 5.1 x 7.9 inches (215 x 130 x 200 mm). Z-axis Structure: S-Box adopts the highest stable structure, industrial-grade double guide rail and precision ball screw. Professional after-service team: QIDI Tech Professional Amazon after-service team, if you have any problem about our 3d printer, we will reply to you within 24 hours. Free one-year warranty (2K LCD and FEP film are excluded).