?Metronomes may be used by musicians when practicing in order to maintain a constant tempo. Here we are pleased to introduce this Metronomes to you. This is a professional mechanical metronome made of high quality can be used for a long time. Featured with fashionable appearance and super large display・ this all metal big movement metronome is more accurate and convenient to use. Besides・ the tuner will be automatically in off mode if no actions on the tuner or no signals in 3 minutes and it has the auto memory for the information before the tuner is off. What an excellent Metronomes・ don&acute;t hesitate now!                                    Features                New and high quality<br>    This is professional mechanical metronome<br>    It should be used on level surface<br>    All metal big movement metronome・ it is more accurate<br>    Fashionable appearance・ convenient to use<br>                                                            Specifications                        Size     4.33" x 4.33" x 8.66"    <br>          Color     Black    <br>          Weight     600g    <br>                                                             Package Includes                1 x ENO BLUES Pro Transparent Metal Mechanical Metronome Black<br>    1 x User Manual<br>                                                            Extra Info            How to use: 1.To wind up power spring・ turn the winding knob dockwise slowly until you feel a mechanical resistance2.Move the sliding weight along the pendulum to adjust the beat tempo・ the scale reading corresponding it upper edge of the sliding weight is the set tempo3.Adjust the beat selector to set the desired beat4.Unhook the pendulum and tap on the top leftward or rightward slightly