Features: Professional digital guitar effect pedal that based on PRO CO RAT circuit. With volume, filter, distortion control knobs for you to adjust the parameter of the distortion effect. 4-Mode selection knob to adjust at dirty, vintage, turbo, fat, each with independent indicator. DC9V 100mA power supply (center is negative polarity). Features of solid color, sturdy construction, good hand feeling, lightweight and durable. Small compact size pedal takes up little space on the pedalboard. A practical and easy-to-use effect pedal that will bring a richer expression to your performance and practice. Specifications: Material: Metal Effect Type: Fuzz distortion Control: Volume, filter, distortion One Toggle Switch: LM308/OP07DP 4-Mode Selection Knob: Dirty, vintage, turbo, fat Power Supply: DC9V 100mA - center is negative Item Size: 122 * 67 * 40mm / 4.80 * 2.24 * 1.57in Item Weight: 261g / 9.22oz Package Weight: 303g / 10.70oz Package Size: 14.7 * 7.8 * 7cm / 5.79 * 3.07 * 2.76in Package List: 1 * Effect Pedal