Description, Computerized buttonhole machine, Semi, Dry head to ensure clean seams. Multiple cut function, Multiple forms of buttonholes available. Cooling system to extend the life pertaining to the equipment. Touch screen panel the software gives you the opportunity to design buttonholes and program you will, Their repetition find 31 pre, Installed sewing motifs and up to 500 in addition, Total motifs the usb port allows the import of designs, Software updates and recharging / powering external devices. Integrated control box small and compact without external wires allows quick installation and simple transport. Step motor the the shift, Fabric feed of the needle and the knife for cutting the buttonhole are controlled by a built, In stepper motor, Making the sewing process more precise and quiet saving energy, Without vibration.