Chromatic Tuner and Metronome - A great all-in-one tuner and metronome. The TGI99B gives the user a fully featured chromatic tuner suitable for tuning any instrument, plus a fully featured digital metronome. Including Clip-on Transducer Pickup Tuning: Chromatic, Guitar, Bass, Violin, Ukulele • Calibration; 430hz to 450hz • Time Sigs; 2/4, 3/4, 4/4, 3/8, 6/8 • Tuning;A0-C8 • Tempo;30-250bpm