product information:
Rated power: 100 (W)
Rated voltage: 36 (V)
Rated speed: 0-1000 (rpm)
Rated torque: 0-2.0 (NM)
Dimensions: 57*57 (mm)
Efficiency 90 (%)
3C rated voltage range: below DC 36V

Packing list: 

stepper motor 57 stepper motor nema23 stepper motor x1