OPERATION: 1, Take down the cover: 2, Turn the winding key clockwise to wind spring inside, move the pendulum to right side to start; 3, Move the sliging weight up and down and set its upper end on the dial to set tempo 4, Switch the type tone selector and adjust the division to 2.3.4.6 or 0 exactly Cautions: Slide the weight to middle or upper part of the pendulum and close the cover after using Avoid keep the metronome at dusty or damp place; Keep the metronome clean Easy fragile, keep it carefully1 YEAR WARRANTY, CLICK add-to-cart NOW AND IMPROVE YOUR MUSICAL SKILLS TODAY!