AT-01, Clip Chromatic/Guitar/Bass/Violin/Ukulele Tuner

1. Tuning mode: C (Chromatic), G(Guitar), B (Bass), V (Violin), U (Ukulele)

2. Blue background, white changeto green when in tune

3. Sound detection: VibrationSensor

4. Surface finish: Rubberfinish

5. Calibration range: A4 = 440Hz

6. Measuringrange: C1(31.7Hz)~C8(4186.0Hz)

7. Measurement accuracy : +-1 cent
8. Power: 3 V button battery