JOYO R-03 UZI Distortion Guitar Effect Pedal for Heavy Metal

The pedal is designed for heavy metal.You can switch easily between American Distortion and British Distortion with a BIAS knob.It features controls for Volume, Gain, Low, Mid, High & Bias.LED Effect indicator will turn on when the foot-switch & pedal are active.The ambient LED lights can be toggled from a switch on the rear of the pedal. 3 modes of lighting are available to adjust when they come on.