@@hsa769 1】High quality ABS engineering raw materials are combined with metal, the machine is stable and durable; 2】 simple invisible tangent blade; 3】 fast and slow double speed, double thread; 4】 9 kinds of pattern stitching and four steps of automatic buttonhole sewing, 5】 Straight line back seam button; 6】 Built-in automatic bottom winding; 7】 Hidden storage box; 8】 Built-in LED lighting; 9】 safe low voltage 6V/1.2A; 10】 Original foot pedal (can be controlled by hand or foot); 11】 free adjustment of tension; 12】 free switch presser foot, hemming, sewing tube sewing clothes, etc.;