Computerized lockstitch machine, with 5  automatic functions:
Double stepper servo motor technology for smooth feed
9 different patern seams
Auto trimmer,
Auto back reverse, ultra quite, ultra stable
Auto electronic thread tension ,
Auto thread tension releasing thread,
Auto foot lifting,
Precise digital stitch lengh adjustment, every 0.1mm adjustment
Large size LED  touch screen type display, Main shaft 4cm longer than regular model, actual working area reach 30cm, pressed foot lifting height 3mm increased, it can feed 1--14 ply materials, suitable for different material construction and weights.