Features: 1.The real bypass design minimizes tone loss, which also enables better control of the pedal. 2.The LED light will indicate the effect as well as clearly showing the bypass statue. 3.Has drive, high and low frequency, HF harmonics, and mix effects and Analog cabinet simulation circuit. 4.Capable of capturing all the sounds of a classic tube bass amplifier with a microphone. 5.The guitar distortion effect pedal has compact size and light weight, easy to carry and store. specification:Item Type: Guitar Distortion Effect Pedal Power Supply: DC9V Power Cord Connector: PPP3 Battery Connector (battery is not included) Negative Terminal Current Consumption: 50mA PackageList: 1 x Guitar Distortion Effect Pedal 1x PowerCord 1 x Rubber Mat