... frequency,6-block control ,easy adjustment(operation display), highest speed of 1.6m/sColor system 6 colors shiftableAutomatic-controlled front-middle ... motor racking ,3-needle space at both sides,adjustment unit of 0.5 needle (one or more free move )Synchronised weave ... ) requirements on power supply andelectrical machine AC220,50HZ,drivde motor of 550W computerized flat knitting machine