Function：LCD panel；Human-centric operation instruction；The function to make button hole with one action；Actinic rotary hook；Fast-threading system；The function to automatically thread needle；The function to stop needle at top and bottom position；Two-needle sewing function；The function to sew backward by pressing relevant button；The functions to make both round-head button hole and flat-head button hole, to attach button, to sew zipper,and over 70 types of stitch patterns