Metronome Music Metronome tower Metronome Mechanical Metronome (PA-85 Teak Color) Traditional Shape ,Wind Up Mechanism ,Swinging Pendulum, Tempo Range from 40 - 208 BPM Material: Hard Plastic Outer with High Quality Mechanism,Traditional demonstration of beat by wood block chip sound and 5-position on/off bell If you have any question, just email us Adjustable bell that can be set on 2, 3, 4 or 6 beats. Suitable for piano guitar,violinukuleleetc