... .Input Current:6~16mA 4.Micro Step:2~256 Stepper Motor Drive 2M880NFeatures: 1. Automatic parameter adjustable regulation 2. Supporting driver test running function3 ... .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 ... output, maximum current: 20mAProtectionOver-voltage, under-voltage, short circuit, overheat Stepper motor driver 2M880N