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 (not 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