TheEHX-2020-2.0 Pedal Tuneris super compact and takes up minimal space on your crowded pedalboard. Switchable True Bypass / Buffered Bypass for easy integration into any rig, while its +/- 1 cent tuning range and high visibility display provides an accurate, convenient solution to all your tuning needs.Quick specs: Chromatic pedal tuner with a tuning range of B0 to B7 Switchable True Bypass / Buffered Bypass for easy integration into any rig. The pedals output is muted when the tuner is engaged which makes it ideal for live performance Accuracy: +/- 1cent Calibration: 436-445Hz (1 Hz steps) Three flat tuning modes Power adapter included