ammoon AT-03 Clip-on Electric Tuner Color LCD Screen 360° Rotatable for Guitar Bass Violin Chromatic Ukulele Universal Exquisite Portable Features: Small and exquisite appearance, it is convenient to carry. Colorful LCD display(3 * 2cm), it can provide excellent visibility. 360 degree rotatable clip, it can adjust at your suitable angle, simple and practical. With a clip, it is easy to fix on the instrument. It can be used for the tuning of guitar, bass, violin, chromatic and ukulele. Specifications: Turning items：Guitar, bass, violin, chromatic, ukulele Tuning range: A0 ( 27.5 Hz ) - C8 ( 4186.0 Hz ) Power: 1 * CR2032 battery (included) Precision: ±0.5 cent Display size: 3 * 2cm / 1.2 * 0.8in Item weight: 22g / 0.8oz Package size: 14 * 9.5 * 3cm / 5.6 * 3.7 * 1.2in Package weight: 38g / 1.3oz Note: Remove the battery if you don't use it for a long period. If the tuner keeps on the guitar headstock, it will power off automatically in 3 minutes no matter it is in use or not. Package List: 1 * Electric tuner