Classic British distortion pedal for guitar, Tone knob to control the amount of high frequencies, Level knob to control the signal level, Gain knob to control the amount of gain, LED indicator to know when the pedal is active, On/Off footswitch Off for the effect, true bypass, 1/4” jack input to connect the pedal to the guitar or other effects, 1/4” output to connect to the amplifier or the input of another effects unit, works with a 9V adapter no included.