Donner Verb Square Reverb Effector with 7 Modulation Modes

7 reverb effects: Room, Hall, Church, Spring, Plate, Studio, Mod. Digital circuit design: True bypass means that when the pedal is off, the sound signal is output directly without passing through any additional circuits. Made of aluminum alloy, it is lightweight and wear-resistant. LED indicator light shows operating status. Requires a DC 9V adapter (center negative) (sold separately). (We accept returns within 30 days of purchase if you are not satisfied with the product. We have a one-year warranty from the date of purchase, so please contact us if you have any problems.)