- Model: AT-300A<br />- Plastic case material<br />- 1.2" white/green backlit screen<br />- Tuning mode: Chromatic， Erhu， El Iute， Guqin<br />- Measuring range: A0 (27.5Hz)~C8(4186.0Hz)<br />- Tuning: by vibration<br />- Detection accuracy: +/-0.5 cent<br />- Powered by 1 x CR2032 battery (included)<br />- Comes with Chinese/English manual<br /><br />                                                                                                                                Dimensions: 1.77 in x 1.38 in x 0.47 in (4.5 cm x 3.5 cm x 1.2 cm)<br />Weight: 0.88 oz (25 g)<br /><br />