1.Metal mechanical core,pure metal movement 2.Accurate beat with bell,stable, loud 1.Beats: 0. 2. 3. 4. 6 2.Tempo:40-208 bpm 3.Size: 62 x 26.5 x 28.5cm 4.OEM/ODM are wel Metal mechanical core,pure metal movementAccurate beat with bell,stable, loudBell for beats 0,2,3,4 and 6Easy operationTempo:40-208 bpmWeight:600gSize: 62 x 26.5 x 28.5 cm /cartonQuantity in one box: 10PCSOther:retia outside, brightness, high-grade, stable and beautiful shapeColors:wide choice of colors

DUKE Piano Music Mechanical Metronome