Parameters 1.Input Voltage:90-240V 2.Output power:120W 3.Control motor:Stepper motor 4.Lifting method:motor lifting method 5.Lifting height:small and equal 30mm non-working state(small and equal 12mm working state) 6.Pressure adjustment:spring asjustment 7.Support maximum speed:6000rmp/min 8.Applicable models:single and double sewing machine,herringbone machine,stretch sewing machine and etc Product advantage 1.Independent research and development of electronic control to achieve high speed and sewing machine synchronization. 2.Independent motor lifts the digital puller without air supply. 3.Traction is 1.5 times that of ordinary digital puller. 4.Patented pull-down lift digital puller switch for easy installation. 5.Fine-tuning the digital puller stroke according to the thickness of the fabric.