Morley VAI-2 Steve Vai Bad Horsie 2 Contour Wah Switchless design Simply step on to engage wah mode and step off to go to bypass Two foot-selectable wah modes Bad Horsie and CONTOUR Wah In contour mode two knobs allow you to alter the frequency and level of the wah Clear Tone buffer circuit ensures pure guitar tone and maintains signal level in bypass and wah mode Easy access battery compartment LED indication and two year warranty