Nux MOD Core Guitar Effect Pedal 8 Modulation Effects w/ Tone Lock Function 8 Modulation effects: Chorus, flanger, phaser, tremolo, rotary, pan, u-vibe and vibrato. Each model can be change from normal to deluxe, so a total of 16 models you can choose True bypass; True stereo signal processing Tone Lock function and one preset save/recall Input/output Sensing circuit select optimized routing automatically Runs on battery or AC power. A Donner 9V US Plug AC/DC Power Adapter is included