Feature:The Vintage Overdrive Effect Pedal features mellow, mild, smooth and simply exquisite, also has nice sustain.Three knobs are separately used to adjust the degree of distortion (Drive Knob), adjust the volume of sound (Volume Knob), and adjust the intensity of the tone (Tone Knob).Aluminum alloy casting with fine finish surface, stylish appearance. Powered by DC 9V adapter, convenient to use. (Power adapter is not included.)With the True Bypass design, which minimizes tone loss, to realize the original sound of your guitar.LED can visually indicate the working status of the guitar pedal; with standard 1/4 inch input and output sockets.Specification:Model: JDF-01Main Material: Aluminum alloyInput Impedance: 500K OhmsOutput Impedance: 10K OhmsRunning Current: 7mAPower Supply: DC 9V Adapter (Not included)Item Size: 92 * 42* 52mmItem Weight: 144g / 5.1ozPackage Size: 10.5* 5.8 * 5.2cm / 4.1 * 2.3 * 2inchPackage Weight: 170g / 6ozPacking List:1 * Effect PedalNote:Power adapter is not included.