Wittner 839011 Penguin Shape Design Metronome Without BellWittner craftsmanship and quality in a fun shaped metronome that is well suited for children and adults alike. Traditional windup power supply with visual pendulum movement. Adjusts from 40 to 200 beats minute. Mechanical pendulum metronome The Wittner Metronome is an outstanding product in quality and appearance It features the same Wittner clockwork pendulum mechanism used in their classic models and are just as reliable and accurate Adjustable from