Ultimate digital multi-effects pedal comparable to state-of-the-art studio processors 24-bit high-resolution stereo effects including Flanger, Chorus, Phaser, Delay, Tremolo and Pitch Shifter 2 additional parameter controls to adjust delay time, flanger rate, etc. Status LED for effect on/off and battery check Runs on 9 V battery or the BEHRINGER PSU-SB DC power supply (not included) First-class electronic On/Off switch for highest signal integrity in bypass mode High-quality components and exceptionally rugged construction ensure long life.