1.Hign performance,low price 2.Parameter adjustable regulation 3.Phase memory 4.Semi-current locking 5.Protection funtion Feature: ... tableParameterValueInput voltageSingle phase 77VAC~123VAC,(50Hz)Output current4.5A, 5A, 5.5A, 6A, 6.5A, 7A, 7.5A, 8AMicro step2/4/5/8/10/16 ... °cStorage temperature-20°c~+70°cWeight1.5KgDimensions210mm×147mm×66mmProtect levelIP20 Stepper motor driver 2-phase 2M1180N