ZVEX Instant Lo-Fi Junky Vexter Series Chorus Vibrato Guitar Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Volume， Tone， Comp Lo-Fi， Depth， and Speed knobsPowered by 9V battery or 9VDC power supply (sold separately)1 year warranty </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51P2pMFcX3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31dDTfroBOL.jpg" noproxy>