Function：20 built-in stitch patterns; Adjustable pressure; Simplified presser foot; Forward and backward sewing; Adjustable knob for thread tension；With the free-arm design, flat bed sewing and cylinder type sewing both available; Electronic speed-controller; The built-in light makes the sewing area bright; Controllable stitch length；With accessories for sewing zipper,darning, button attaching,and buttohole; Multilingual instruction manual