Joyo JF-21 Splinter; Effects Pedal for Electric Guitar; Classic sound, An interesting combination of fuzz and distortion; Controls: Distortion, Filter, Volume; 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; Current Draw: 20 mA; powered by a 9 V Battery or a 9 V DC Power Supply (not included); suitable optional Power Supply: Item no. #409939; Dimensions (W x D x H): 97 x 120 x 55 mm (3,82"" x 4,72"" x 2,17""); Weight: 390 g (0,86 lbs)