Golden Gate PT-1 Posi-Tune Compact Tuner Automatic chromatic tuning More accurate and higher sensitivity with a wide tuning range Sleek, low profile design allow it to hide behind the headstock, concealing it from your audience 360 degree swivel, bright, easy to read display Tunes: chromatic (guitar, bass, ukulele, violin, banjo and mandolin) Automatic power-off to save battery life