Adopts a direct-drive servo motor with integrated electronic control. It comes standard with two stepper motors;  one controls the differential presser foot for differential adjustment, and the other controls presser foot lift and stitch length.

1. Synchronized/differential function: The upper differential amount is adjusted by the plus/minus keys on the panel. Synchronized or differential feeding can be selected for low-tension sewing, preventing wrinkling and seam misalignment.
2. Standard accessories include an aircraft gauge and pleating device. Dozens of interchangeable presser feet enable multi-purpose use and adapt to various fabrics. Widely used for sleeve attaching, sleeve topstitching, elastic cuffs, ribbed cuffs, trouser hems, etc. Special rubber feed dogs and plastic presser feet handle fabrics prone to teeth marks.