... .0 3.Input Current:6~16mA 4.Micro Step:2~256 Stepper Motor Drive 2M880NFeatures: 1. Automatic parameter adjustable regulation 2. Supporting driver test ... : 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 ... output, maximum current: 20mAProtectionOver-voltage, under-voltage, short circuit, overheat Stepper motor driver 2M880N