The tuner is great for beginners and professionals. It is fast・ accurate・ automatic and easy to operate. You would never play outof tune anymore with this tuner.<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Features:<br style="line-height: 20.8px;" />Helps you to tune・ find the accurate tuning of your instrument.<br style="line-height: 20.8px;" />Clip-on and 360&deg;swivel rotation design・ easy and convenient to use.<br style="line-height: 20.8px;" />Automatic shut-off if no operation for about 3 minutes・ ensures that your battery works longer.<br style="line-height: 20.8px;" />Comes with LCD screen・ the string No.and note name will be showed on the screen together when tuning.<br style="line-height: 20.8px;" />Multi-instrument tone tuner・ great for electric・ acoustic bass・ guitar・ violin・ ukulele.<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Specifications:<br style="line-height: 20.8px;" />Tuning Mode: Auto<br style="line-height: 20.8px;" />Tuning Items: Chromatic・ Guitar・ Bass・ Violin・ Ukulele.<br style="line-height: 20.8px;" />A4 frequency: 440HZ<br style="line-height: 20.8px;" />Tuning Range: A0(27.5Hz) - C8(4186.0Hz)<br style="line-height: 20.8px;" />Power Supply: 1 * CR2032 cell button (not included)<br style="line-height: 20.8px;" />Item Size: 5.0 * 3.6 * 3.5cm / 2.0 * 1.4 * 1.4in<br style="line-height: 20.8px;" />Item Weight: 24g / 0.9oz<br style="line-height: 20.8px;" />Package Size: 12.6 * 9.3 * 2.1cm / 5.0 * 3.7 * 0.8in<br style="line-height: 20.8px;" />Package Weight: 41g / 1.4oz<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Package List:<br style="line-height: 20.8px;" />1 * Mini Tuner<br style="line-height: 20.8px;" />1 * User&#39;s Manual(Chinese &amp; English)<br style="line-height: 20.8px;" /><br style="line-height: 20.8px;" /><strong style="line-height: 20.8px;">Note:<br style="line-height: 20.8px;" />Battery is not included.<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-7TdZ.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-fptV.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-u7ig.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-FSWq.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-iH9s.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-0nto.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/I/4/I1573-4/I1573-4-1-62b1-HIHd.jpg" /><br>