MOTOR =SERVO MOTOR 550W BACKSTITCH = AUTO LIGHT = INCLUDE PORT = USB PORT / AUTO STITCH LENGTH = 0.5 – 3.9mm LIFT of P. FOOT by HAND = 3 THREAD / 3 NEEDLE LIFT OF P. FOOT by KNEE = 6.5mm NEEDLE SIZE = DCX27 #11 – #18 NET WEIGHT = 24.1kg GROSS WEIGHT = 32.6kg RPM = 5500rpm