8-Piece Feed Dog System; Built-in One-step Converter; Built-in Needle Threader; 2, 3 and 4 thread convertible Adjustable Stitch Length 1 to 5 mm; Differential Feed Ratio 0.5 to 2.0; Adjustable Cutting Width 3.3 to 7.5 mm; Maximum Stitch Speed 1,300; ... Machine size: 20" x 12" x 9" Machine weight: 26lbs; Work space: 8.3"