1. Equipped with high grade industrial computer. To avoid the outside interference. 2. Equipped with versatile CAD program design which can store more than 100pcs of patterns files at the same time. 3. Equipped with 17 inches touch control type screen, the file is displayed clearly and operation is very simple & easy. 4. If need to change pattern, it just requires within 1 minute only. To save time and increase production capacity. 5. The machine can quilt special pattern also. 6. The pattern can be enlarged and reduced in size. 7. The stitching width is adjustable. 8. The computer is equipped with U.P.S. device, to prevent computer shut down from unexpected power failure.