- System: Vibration sensor auto tuner

- Mode: Guitar, Bass, Ukulele, Chromatic

- Tuning Range: A0 - C8

- Tuning Accuracy: ±0.5 cent

- Standard Pitch: A4=440Hz

- Additional Function: Backlight, auto power-off

- Input Method: Vibration sensor

- Power Supply: Lithium battery CR2032 (3V)

- Battery Life: approx 25 hours (Depending upon usage and conditions)

- Overall Dimensions: 56(W) x 32(H) x 31(D) mm (including clip)

- Weight: 28g (including batteries)

- Operating Range of Clip: 22.5mm

- Accessories: Owner's manual, Lithium battery CR2032