ENO EMT-888GB Guitar/Bass Tuner/ Metronome/ Chromatic w. Clip Pick up Jack Guitar / Bass / Metronome / Chromatic Tuner w. LED Indicator A4 Frequency : 430 - 450 Hz Tuning Mode: Guitar, Bass, Chromatic Tuning Range for Chromatic : A0 (27.5HZ ) a3(1,760Hz) Tuning Range for Guitar : 1E - 6E (E/B/G/D/A/E) Tuning range for Bass : 1G - 4E (G/D/A/E)