... Motor Drive 2M880NFeatures: 1. Automatic parameter adjustable regulation 2. Supporting driver test running function3. Supporting phase memory function4. Supporting PLS+DIR ... peak, Unit: A)1.8, 2.1, 2.4, 2.7, 3, 3.3, 3.6, 3.9, 4.2, 4 ... .5, 4.8, 5.1, 5.4, 5.7, 6.Micro step2, 4, 5, 8, 10, 16, 20, ... current: 20mAProtectionOver-voltage, under-voltage, short circuit, overheat Stepper motor driver 2M880N