About TERENCE Mechanical Metronomes:
Complete Functions: This metronomes have no batteries, average 20-minute wind for a longer practice, and less frustration, steel gears for durability, 40-208bpm for choosing any tempo, and easily adjustable/optional 0/2/3/4/6 beat bell.
Easy to Use Even for Children and Beginners: Open the cover, wind up the spring, set the tempo, select the beat, and move to start, then you are ready to use; An average single full wind (2160 clicks) lasts at least 18 minutes depending on the tempo.
Metal Movement: ALL pieces of movement are made of metal. This can ensure long time use without error. It is very important for a beginner.
Classic Design: Metronomes feature a classic style that meets daily usage while becoming an elegant decoration for the room.