Parameters:<br />- Diameter: 28mm<br />- Voltage: 5V<br />- No-load pull into the frequency: > 600Hz<br />- Phase: 4<br />- No-load pull-out frequency: > 1000Hz<br />- Reduction ratio: 1/64<br />- Pull-in torque: > 34.3mN.m (120Hz)<br />- Step angle: 5.625 x 1/64<br />- Self-positioning torque: > 34.3mN.m<br />- DCR: 200ohm +/- 7 percent (25 Deg.C)<br />- Temperature:  10Mohm (500V)<br />- Noise: <br />    Specifications<br />General<br />  Type: Stepper motor driver module                                                  <br />                        Material: Plastic + Iron                                                  <br />                        Compatibility: Ardunio                                                 <br />Weight and Size<br />  Product Weight: 0.035 kg                                                  <br />                        Product Size(L x W x H): 24 x 4.2 x 2.9 cm / 9.4 x 1.6 x 1.1 inches                                                 <br />Package Contents<br />  Package Contents: 1 x Stepper Motor (24cm / 9.4 inches)                                                 <br /><br /><br /><br />                                                <br />