This pedal has 8 effects via the center rotary knob. To the left in pink is mix and to the right is master volume. The 3 blue knobs control the different parameters of each effect. If you want I can type out exactly what each parameter is controlling for each effect. The effects are from left to right: FLANGER, PITCH MODULATOR, RING MODULATOR, FILTER MODULATOR, MODULATED DELAY, KALEIDOSCOPE, GLIMMER REVERB, & HYPERNOVA REVERB. If your trying to get a lil weird or a lot of WIERD this could be your Stomper! Handmade in Milwaukee WI with Top professional components and hardware and copper wire.