Avail the amazing signal modulation provided by the Rocktron Pulse effect pedal, which ensures excellent quality tunes. This Rocktron tremolo pedal comes with a speed control to manage the speed of the varying volume. The LFO controlled pulse of this Rocktron guitar pedal changes the low-frequency oscillator, which assures more random and amazing modulation. With Selectable triangle or square modulation waveforms, this Rocktron tremolo pedal allows you to rapidly switch sound off and on. Equipped with intensity knob this Rocktron guitar pedal controls amount of varying volume. Integrated with photo-resistor, the Rocktron Pulse effect pedal delivers conventional, vintage-style sounds.