3 Effects Modes: Harmony, Pitch Shift, Detune. Harmony: It shifts the pitch and mixes it back with the original-signal to create a rich harmonic voice. Pitch Shift: Outputs a precise polyphonic pitch shifting voice. Detune: It slightly shifts the pitch and mixes it back with the original-signal to create a -like effect, it rings a lot of nice spacy feeling. original-signal to create Precise polyphonic pitch shifting 2 Oct Pitch Range (16 optional parameters) Full metal shell, Very small and exquisite, True bypass Input:1/4inch monaural jack (impedance:470k Ohms) Output:1/4inch monaural jack (impedance:100 Ohms) Power Requirements:AC adapter 9V DC (center minus plug) Current Draw:128 mA Weight:170g Colour:Blue Material:Aluminum alloy Size:93.5mm (D) x 42mm (W) x 52mm (H) Package Contents: 1 * Guitar Effect Pedal Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.