Hand built Silicon Fuzz pedal from McNeece Music in Athens, GA. Very interesting circuit, kind of in the realm of Shin-Ei fuzzes but in a freaky world all it's own. LOTS of variation available by adjusting the Fuzz and Level controls, from mild fuzz to sustained weirdness with just a hint of high-octave. Whew. True-bypass switching with Green LED, runs on internal 9v battery or Boss-style power supply (neither included). One year warranty.