233099 High quality and brand new electric tuner for Chromatic， Bass， Guitar， Ukulele and Violin. Great accessory for anyone loves music， professional or beginner. Size: about 10.5 x 6.5 x 1.5 cm Tuning objects: chromatic， bass， guitar， Ukulele， violin. Tuning range: A0 (27.5Hz)-C8 (4186Hz) Signal input mode: MAC， electrical signal Signal detection speed: ＜20ms Tuning accuracy: ±1 cent Beat error: ＜1% Tuning error: ＜0.1% Battery: 2 x AAA battery (not included) 1 x Tuner 1 x Input connection line In original package