Controls for different frequency sweep ranges/6 positions switchable, true bypass, internal gain trimmer, mini status LED, RED Fasel inductor and carbon resistors, each pedal is an individually hand-painted one-off, so there may be deviations in the design. the painting is procedural (you can set the colors for each element in the shader nodes ), you can press the pedal and the zodiac wheels turn with it. if you want to know how the pedal sounds you can find a sound example here:https://www.youtube.com/watch?v=6qPHdZ3Tt7o