... :orange,red,white,blue,black 5.fast delivery Mini high quality chromatic tuner Specification: ModelET-01Items of tuningChromaticTuning rangeA1(55Hz ... )-C8(4186Hz)A4 frenquency range440HzDimension16*51*28mmColororange,red,white,blue,blackPower1*CR2032( ... . Namm show (United State) Our production line: Mini high quality chromatic tuner