A switch lets you shift through the three tremolo effects—DHARMA for vibey harmonic tremolo, 65 for smooth tube-amplified optical tremolo, and SQUARE for aggressive square wave tremolo. You can manually activate the tap tempo to sync the tremolo effect with your music. You get Speed, Depth, and Volume control for fast adjustments, and an LED indicator blinks at your current tremolo rate. Finally, you can use a switch in the rear of the pedal to select between buffered bypass, for long cable runs and complex pedalboard setups, or true bypass, for pure uncolored analog to analog connection.