Zoom G3 Guitar Effects and Amp Simulator Three large LCD displays with intuitive amp and stomp box interface 22 amp (v2.0) or 94 stomp box models can be used in any combination, Over 100 built-in ZFX-IV DSP effects Integrated drum machine and auto-chromatic tuner, USB audio interface for DAW recording Create and store up to 100 original tones, Balanced XLR output and selectable modes for DI use, Looper function with 40 seconds of phrase recording and overdubbing Over six hours of operation using four AA batteries/USB bus power (AC adapter included, Includes Edit&Share and Steinberg Sequel LE recording software. Please refer the User Manual before use.