Microstep resolutions : Full, 1/2, 1/4, 1/8, 1/16 and 1/32
Minimum operating voltage : 8.2V
Maximum operating voltage : 45V
Maximum current per phase : 2.2 Amp
Features : Simple step and direction control interface,Six different step resolutions: full-step, half-step, 1/4-step, 1/8-step, 1/16-step, and 1/32-step