Tune Pro Clip on Digital LED Readout Tuner - Fully Chromatic (Tune any instrument) Tune your guitar, bass, violin, ukulele, or any instrument you want Tuning via clipped on the instrument body (tunes by picking the vibration of the instrument - great for noisy environment) Rotates 360 degrees for easy viewing Settings for Guitar, Bass, Violin, Ukulele and Chromatic High brightness LED displays string number and pitch difference, can be used in dark places and stages