Features: 1.The effect pedal has 5 effect modes, namely reverb, delay, Fx LOOP, distortion and overdrive. 2.With true bypass, which can eliminate all signal interference when the power is turned off. 3.The effector shell is made of metal material, which is hard and wear resistant, and will not be deformed after long term use. 4.This effect pedal has a compact structure and does not take up space, very suitable for electric guitar lovers. 5.The effect pedal is adjusted by knobs, and has multiple shifts, which is highly practical. specification:Item Type: Guitar Effect Pedal Material: Metal Color: Black Power Supply: 9V DC center negative pole(without adapter) PackageList:1 x Effect Pedal 1 x User Manual NoteThe positive and negative poles of the power supply must be the same as the positive and negative poles of the effector when connecting.