... .Output current:1.3A-4.5A3.Mircostepping:1(1.8º),1/2,1/4,1/8,1/16,1/32,1/64,1/128,1/2561/5,1/10,1/25,1/50,1/125,1/2504 ... /501/1251/2502,Current choice SW101010101SW200110011SW300001111Current(A)1.31.82.32.73.23.74.24.5 3,Full current or half current ... current;1=half current4,Pulse choice:In the driver has a jump5,installation dimension Stepping motor driver,1.3A-4.5A,high quality and reasonable ...