Features: 1. 12 kinds of stitch line types are built in the device, multi-function integrated into one; 2. Eat 4-6 layers of ordinary denim fabric, can sew a variety of clothes; 3. Horizontal rotary shuttle structure design, bid farewell to the swing shuttle structure, make the equipment operation quieter, reduce the difficulty of bottom thread installation, and make the use of bottom thread more clear at a glance; 4. Automatic winding design, simple production of winding bottom line; 5. Replaceable presser foot design, by changing different presser feet, to achieve more special functions for sewing; 6. The equipment adopts metal hook tip design, which is durable and does not jumper; 7. The fast and slow gear design of the product makes it easy for novices to operate, and complex sewing is easy; 8. External speed control pedal design, gravity sensor design, the heavier the faster the speed; 9. Batteries (4xAA batteries), DC power supply, dual power supply design, can be used in an