Features:<br>This portable tuner is a great assistant to keep your instrument in tune.<br>Used for the tuning of chromatic, guitar, bass, violin, and ukulele.<br>360 degree rotatable LCD offers best viewing angle when tuning.<br>The green indicator will light to remind when the instrument is in tune.<br>Mini in size, convenient to carry along.<br>With a clip, it is easy to fix on the instrument.<br>Silicone-padded inner side of the clip protects your instruments from scratching.<br><br>Tuning Accuracy Indicator:<br>Low: The needle points to the left;<br>High: The needle points to the right;<br>In-tune: The needle points to the middle and the green indicator will light.<br><br>Specifications:<br>Color: White<br>Tuning scale: Chromatic, Guitar, Bass, Violin, Ukulele<br>Tuning range: A0(27.5Hz) - C8(4186.0Hz)<br>Precision: &plusmn;1 cent<br>A4: =440Hz<br>Power: 3V CR2032 lithium battery (not included)<br>Item size: Approx. 4.5 * 3.3 * 3.5cm / 1.8 * 1.3 * 1.4in<br>Item weight: 24g / 0.8oz<br>Package size: 13 * 9 * 4cm / 5.1 * 3.5 * 1.6in<br>Package weight: 37g / 1.3oz<br><br>Package List:<br>1 * Clip-on Tuner<br><br>Note:<br>The batteries are not included.<br>There are operation instructions on the packing box.