Zoom Noise Reduction (ZNR) is also used to prevent noise in playing pauses and long sustains. A total of 54 effects and 16 drive sounds are available, with 40 preset patches included for experimentation. The pedal also includes a guitar tuner and a drum machine. Construction of the pedal consists of a metal body with rubber damping for durability. This pedal works with both battery power and an AC wall outlet.