Hot Box Pedals HB-23 mini clip on tuner for guitar, ukulele, violin and bass. * Quick and easy one-button operation*360 joints allow any viewing angle* Built-in piezo sensorTuning items:* Guitar, Bass,Violin, Ukulele,Chromatic* A0(27.5Hz)-C8 (4186.00Hz)* A4 freguency：440HzPackage includes:1 * User Manual1 * CR2032 battery.
