Main Features:<br />● Counter range: 0~999，99<br />● Maximum rotate speed: 350 times / min<br /><br /> How to use:   <br />1 Count for each revolution of the shaft one， clockwise to a sliding scale.<br />2 Turn the handle clockwise once to display the numbers are all 0 character.  Never in the rotation complex 0.<br /><br />    Specifications<br />General<br />  Material: Aluminum                                                 <br />Weight and Size<br />  Product Weight: 0.6 kg                                                  <br />                        Package Weight: 0.15 kg                                                  <br />                        Product Size(L x W x H): 12 x 7 x 7 cm / 4.72 x 2.76 x 2.76 inches                                                  <br />                        Package Size(L x W x H): 17.5 x 11.5 x 8.5 cm / 6.89 x 4.53 x 3.35 inches                                                 <br />Package Contents<br />  Package Contents: 1 x 5-Digit Number Manual Counter                                                 <br /><br /><br /><br />                                                <br />