Fender Hammertone Fuzz; Effects Pedal for Electric Guitar; Controls: Tone, Fuzz, Level; Switches: Octave; LED: Effect On; Footswitches: Effect Bypass; Connections: Input (1/4"" Jack), Output (1/4"" Jack); Power Supply connector: Barrel Connector 5.5 x 2.1 mm, center negative; powered by a 9 V Battery or a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; True Bypass; Dimensions (W x D x H): 83 x 127 x 64 mm (3,25"" x 5"" x 2,5"")