Suitable for Guitar, Bass, Violin, Viola & UkuleleChromatic Tuner & MetronomeTuning Key : C, F, B♭, ETuning mode: Clip on, by vibration onlyDetection Range: A0(27.5Hz) - C8(4186hz) Pitch range: 430Hz-450Hz (1Hz stops)Flat b,bb Tuning Accuracy: +/- 0.5%Power Supply: One x 2032 button battery (included)Metronome Tempo Range: 30 bbp - 260 bpmBeats: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9