Emerson Guitars EM-Drive Overdrive Pedal<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Emerson Guitars EM-Drive Overdrive Pedal </span></li><li><span class="a-list-item"> Power: Standard 9-18V volt DC power supply with a negative center 2.1mm barrel </span></li><li><span class="a-list-item"> Davies knobs </span></li><li><span class="a-list-item"> Quality High Tolerance CTS Pots (Hand Metered &amp; Matched) </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51peqpUXBvL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ThLvVpBSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51tV3myUECL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51fN4JnbMvL.jpg" noproxy>