Features legendary Fuzz Face tones in a smaller, pedal board friendly housing, upgraded with a bright status LED, DC power input and a convenient battery door. Directly spec'd from a 1970 Fuzz Face original from Dunlop's own collection, prized for its bright and aggressive Fuzz Face sound delivered by its matched BC108 silicon transistors. True hardwire bypass. Powered by 9 volt battery or AC adaptor (ECB003).