Features: 1.Great Effect: This electric guitar effect pedal can turn your pitch up an octave and add some fuzz effect. 2.Easy Control: Equipped with control knobs, which allow for convenient adjustment on tone, volume and so on. 3.True Bypass: Offering a transparent tone and minimizing the loss of tone to maintain the best sound quality. 4.Smart Design: Green paint finish is very beautiful, also has a small LED flash to indicate working status. 5.Simple Carry: Designed to have a compact size and a light weight, the easy carrying will save your labour. specification:Item Type: Guitar Effect Pedal Colour: Green Material: Metal Input Impedance: 500K Output Impedance: 10K Working Current: 6mA Product Power Supply Mode: 1 x 9V battery 6F22 (delivered without battery), or 9V power adapter (not included in the product). PackageList: 1 x Guitar Effect Pedal 1 x User Manual