1.Application:Fax Paper cutter,Printer Scanner,Copy Machine,IP Camera 2.Size:D20*18.6mm 3.12V,50ohm,2phase,18degree Mini stepper dc motorDiameter:20mmHeight:0mmLength:18.6mmShaft Diameter:6 mmTypical Applications:Fax Paper cutterPrinterScannerCopy MachineIP CameraDC micro stepper motor ( 2018BY ) DC Stepper Motor 2018BY for printer / scanner / copy machine / IP camera