Nady TS-30 Tube Sound Overdrive Pedal - Drive， Tone and Level controls - All Metal Casing - 9V battery operation or use optional AC adapter<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Classic design emulates the popular and musical sound of tube distortion </span></li><li><span class="a-list-item"> The warmest， most natural overdrive sounds; perfect for all styles from blues to rock to heavy metal </span></li><li><span class="a-list-item"> Most versatile and best sounding distortion available; Drive， Tone， and Level knobs offer optimum control </span></li><li><span class="a-list-item"> All-metal casing for years of roadworthy reliability </span></li><li><span class="a-list-item"> Operates with one 9V battery or the optional PAD-1 AC adapter </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41Yu0YyzkQL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31c0D7DoUhL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41BgVreG-GL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41S5nUTREbL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41RLZ9oFt9L.jpg" noproxy>