Dunlop Silicon Fuzz Face Mini Blue, Fuzz-effectpedal for electric guitar, silicon transistors specs from a 1970 Fuzz Face,, legendary Fuzz Face tones, pedalboard-friendly housing, controls for volume and fuzz, status LED, 1/4" in and out,, battery door, operation with 9V battery or power supply (#108096) (not included), made in U.S.A.