automatic high speed pattern sewing machine with buttonhole stitch

1) The functions to make straight end button holes, button attaching , zippers sewing and 14 types of stitch pattern
2) Automatic threading function
3) Double-needle Sewing function
4) Four-step button-hole sewing
5) Adjustable knob for thread tension
6) Forward and reverse sewing
7) LED sewing light build-in
8) Horizontal rotating hook
9) With Cutter
10) Sew sleeve and cuffs
11) Uses DC 6V 1500mA adaptor