Features:  No lost step, accurate positioning.  Rated torque drive motor.  Variable current control technology, high current efficiency.  Low vibrations and smooth operation at low speed.  Rich output control.  Built-in acceleration and deceleration control to improve start-stop smoothness.  Users can customize the subdivision.  Compatible with 1000 line and 2500 line encoders.  General application parameters do not need to be adjusted, the factory has been set up.    Specifications:  Name: Stepper Motor Set  Phase: 2  Step angle: 1.8 deg  Current: 5A  Resistence: 0.36Ω  Inductance: 1.74mH  Torque: 2.0Nm  Shaft diameter: 8mm  Module size: 118 * 75 * 34mm / 4.65 * 2.95 * 1.34in  Motor size: 80 * 57 * 57mm / 3.15 * 2.24 * 2.24in  Item weight: 1.85kg / 4.08lb  Package size: 200 * 150 * 100mm / 7.87 * 5.91 * 3.94in  Package weight: 1.98kg / 4.37lb    Packing List:  1 * Closed Loop Stepper Motor  1 * Motor Driver  1 * 2m Power Cables  1 * 2m Encoder Cables