Product Specifications:Product name: Bipolar Stepper MotorSize:42*42*22.6mmPhase: 2 PhaseVoltage: 6V 12V 24VCurrent: 1 A/PhaseResistance: 4.0 ± 10%Ω/PhaseInductance: 3.2 ± 20% mH/PhaseHolding Togque:  ≥16N.cmDetent Togque:  18N.cmInsulation Class: BStep Angle: 1.8 deg.+-5%

Warning:Make sure the motor connect to a constant current or chopper drive controller before you test motor.Connecting the motor directly to a power supply will destroy the motor.