Automatic digital tuner for guitar, bass, violin, ukelele. Tune through vibration, help you to find the accurate tune of your instrument. Clip-on and 360° rotation design, convenient to use. The automatic shut-off function when no operation for about 5 minutes. Comes with LCD screen, the string No. and note name will be showed on the screen together when tuning. Tuning Mode: Chromatic, Guitar, Bass, Violin, Ukulele. Tuning Range: A0(27.5Hz) - C8