Features:Compact size digital reverb effect pedal, aluminum alloy shell, lightweight and durable.32 bit floating point, 44.1kHz/ 24bit sampling; 3 reverb effects: ROOM/ SPRING/ SHIMMER, selected by the toggle switch.2 working modes: normal mode/ fixed mode, pressing the footwitch twice to switch.Can store a set of parameters, long pressing the footswitch to store the current parameters.True bypass design; with MIX, DECAY, TONE control knobs.Specifications:Material: Aluminum AlloyInput: 1/4" Monaural Jack (Impedance: 470K Ohms)Output: 1/4" Monaural Jack (Impedance: 100 Ohms)Power Supply: DC 9V (plug polarity is negative in the center)Working Current: 100mAItem Size: 3.8 * 9.5 * 3.5cm / 1.5 * 3.7 * 1.4inItem Weight: 210g / 7.4ozPackage Size: 12 * 6.5 * 6.5cm / 4.7 * 2.6 * 2.6inPackage Weight: 280g / 9.9ozNote: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 * User Manual (English & Chinese)