3 Effects Knobs and 1 Switch are accurate and high sensitive.The Range of Detune Mode is: -25/-20/-15/-10/-5/0/+5/+10/+15/+20/+25 cents.Up: Outputs a precise polyphonic pitch shifting voice.Detune: It slightly shifts the pitch and mixes it back with the original signal to create a chorus-like effect, it rings a lot of nice space feeling.Down: It shifts the pitch and mixes it back with the original signal to create a rich harmonic voice.Harmonizer-PitchOriginal signal to create, precise polyphonic pitch shifting with 44.1k24bit sampling, 32 bit true floatingpoint , with storage of timbresound pedal 2 Oct Pitch Range (16 optional parameters)Input: 1/4 inch monaural jack (impedance: 470k Ohms)Output: 1/4 inch monaural jack (impedance: 100 Ohms)Power Supply: 9V DC adapter(center minus plug)Current Draw: 128 mADimensions: 95mm (D) x 45mm (W) x 53mm (H)Weight: 278g(with box)Colour:As ShownMaterial:Plastic + Metal[Note]please note this pedal can not powered by batteries. Need a 9V DC power supply with negative in the center to power up.Package Contents:1 x Harmonizer PedalOnly 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.