The Barcus berry Soul Mate is a clip-on automatic chromatic tuner with backlight LCD screen that tunes by picking up vibrations directly from your instrument. This remarkable tuner can also easily transpose instruments into any key with extreme accuracy. Unaffected by outside ambient noise it has 12-note full range capacity and can easily transpose into all keys with an easy-to-read illuminated wide LCD screen that acts like a tuning meter. Type: Musical Instrument Accessories