Tuner Press follows the renowned Ampero Press pedal, displaying the Expression/Volume pedal form, and further implements achromatic tuner, presenting a versatile yet practical pedal form. Like the Ampero Press, the Tuner version maintains the same compact size, freeing up space for your pedalboard and saving precious time when performing. Moreover, there is a built-in switchable buffer cuicruit and switchable input impedance switch to meet your different usage scenarios. It provides two tuning modes for now: Chromatic and Strobe, with reference frequencies of 430Hz~450Hz to choose from.