Catalinbread Formula 55, Effects Pedal, Overdrive, Vintage tweed-like low gain overdrive, Controls: Tone, Presence, Volume & Master, Switch: HI / LO, True bypass, Power consumption: 5 mA, Power supply with 9 V battery or 9-18 V DC power supply (coaxial connection - negative pole inside, not included in delivery, suitable power supply available under Art.#409939#), Dimensions (W x D x H): 60 x 111 x 48 mm, Made in USA