Features: High quality effect with flexible function. Adopted low noise BBD in delay circuit, natural and clear sound. True bypass design, minimizes tone loss and get more control of your pedal. Aluminum alloy housing, good durability. LED indicator shows status of effect and battery condition. The pedal can be powered by a battery or AC adapter. 3 adjustable knobs: Depth knob: control the amount of sweep deviation Blend knob: control the amount of chorus effect signal Speed knob: varies sweep rate