Item Code: JT-13C *A4 Frequency: 430-450Hz *Tuning Items: Chromatic *Semitone flat:b,bb *Tuning Range: A0(27.5Hz)-a3(1760Hz) *Weight:49g *Dimension: 80(L)¡Á78(H)¡Á24(W)mm *Power: CR2032 Battery 1 piece *Color: Black