- LCD display<br />- Flat: b、bb、bbb、bbbb<br />- Tuner for guitar and bass、 clip & mic tuning mode<br />- Tuning range: A0(27.50Hz)-C8(4186Hz) A4=440Hz、A4<br />- A4 Frequency: 410Hz-490Hz (1Hz step)<br />- Signal detection: 20ms/time<br />- Powered by 1*CR2032 batteries (included)<br />- Included: English user manual<br /><br />                                                                                                                                Dimensions: 2.76 in x 1.26 in x 2.05 in (7.0 cm x 3.2 cm x 5.2 cm)<br />Weight: 1.41 oz (40 g)<br /><br />