Features:Digital delay effect pedal with 8 delay modes: Echo, Modulate, Reverse, Analog, Tape, Ducking, Sweep and Band.Not only with the bending changes of the sound, but also with the sense of space and vacant.Delay time, feedback and humidity ratio regulation provide a variety of natural and realistic delay effect in fixed mode.With true bypass design, and the LED light is for indicating effect or bypass status.Aluminum alloy shell, durable and solid; dual power supply ways for you to choice: DC 9V power adapter or 9V battery by battery cable(power adapter and battery are not included)Specifications:Material: Aluminum AlloyWorking voltage: DC 9VChip inner voltage: 1.8VChip outer voltage: 3.3VADC SNR: 95dBDAC SNR: 100dBPower Supply: DC 9V power adapter (Plug polarity is Positive on the barrel and negative in the center) or 9V battery(both are not included)Item Size: 12 * 6.5 * 3.5cm/ 4.7 * 2.6 * 1.4inItem Weight: 270g/ 9.5ozPackage Size: 14.5 * 9 * 6cm/ 5.7 * 3.5 * 2.4inPackage Weight: 390g/ 13.8ozNote:Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Package List:1 * Effect Pedal1 * Battery Cable