Features : one-step automatic buttonhole stitch 18 patterns 1) One-step automatic buttonhole and 18 built-in patterns 2) Buil-in CE motor 85Watts (lamp 15 Watts) 3) Speed approx. 800spm 4) Fast changing press foot device 5) Thread chain trimmer 6) Folding handle made of plastic 7) Sturdy housing with plastic and die-cast aluminum elements 8) Built-in upper thread tension 9) Built-in bulb with power switch and the reverse stitch button 10) Built-in accessory box 11) Soft PVC machine cover Certificate:CE,ROHS,BS