Features: 1.[APPLICABLE SCENES] Multifunctional electronic tuner, 12 equal temperament, suitable for guitar, bass, violin and ukulele tuning, compact and practical. 2.[LCD DISPLAY] The electronic tuner adopts LCD display, which is clear and intuitive, and can quickly read the tuning data, with high efficiency. 3.[GOOD PERFORMANCE] The soft pad clip can prevent the instrument from being worn, and high accuracy signal analysis ensures sensitive response. 4.[WITH BATTERY] Equipped with a CR2032 button battery, the automatic tuner is easy to operate and can be used anytime and anywhere. 5.[ABS HOUSING] The guitar tuner shell is made of ABS plastic, which is non slip and wear resistant, not easy to deform or aging for a long time. specification:Item Type: Electronic Tuner Tuning Mode: Automatic Tuning Tuning Error: 0.5 Cent Power Supply: 1 x CR2032 button battery Tuning Items: 12 equal temperament, guitar, bass, violin, ukulele Product Size: Approx. 45 x 30mm / 1.8 x 1.2in PackageList:1 x Button Battery 1 x Tuner 1 x User Manual