Allows you experience any reverb from Spring, Plate, Room, Hall, Ducking, Echo to Space sounds, etc. Mini size, compact and space-saving with d urable jacks and foot switch. True bypass design, minimizes tone loss and get more control of your pedal. Designed with on / off LED, instructs effects or bypass status. With 4 adjustable knobs: Level, Time, Wave-band, Dry/Wet. AC adapter 9V DC, 50mA, + Outside required (not included).