The tuner is great for beginners and professionals. It is fast, accurate, automatic and easy to operate. You would never play out of tune anymore with this tuner.<br><br>Features:<br>Mini digital tuner for guitar/ bass/ violin/ ukulele/ chromatic.<br>With LCD screen showing the string No. and note name.<br>Clip-on design and 360&deg;rotation, easy and convenient to use.<br>Helps you to find the accurate tuning of your instrument.<br>With automatic shut-off function for battery power saving.<br><br>Specifications:<br>Brand: ammoon<br>Model: AT-04<br>Tuning Mode: Auto<br>Tuning Items: Chromatic/ Guitar/ Bass/ Violin/ Ukulele<br>A4 frequency: 440HZ<br>Tuning Range: A0(27.5Hz) - C8 (4186.0Hz)<br>Power Supply: 1 * CR2032 Battery (not included)<br>Item Weight: 26g / 0.9oz<br>Package Size: 9.2 * 4.7 * 4cm / 3.6 * 1.9 * 1.6in<br>Package Weight: 33g / 1.2oz<br><br>Note:<br>The guitar showed in the picture is not included.<br>The battery is not included.<br><br>Package List:<br>1 * Tuner<br>1 * User Manual(Chinese &amp; English)<br>