Black LCD Digital Beat Tempo Mini MetronomeSpecifications: * Tempo: 30 to 280bpm * Beat Value: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 * Accuracy: ±0.001 * Power Supply: 1 x 3V Cell Battery (Included) * Color: Black * Product size: 5.5 x 3.2 x 2.1 cm * Net weight: 19g * 1 x Mini Metronome * 1 x CR2032 Cell Battery * 1 x User"s Manual