Electric guitar preamp overdrive effect pedal for guitar players.<br> 4 functional knobs(Gain/Volume/Bass/Treble) for adjust the performance of the overdrive effect.<br> True bypass footswitch for switching between chorus effect and bypass status.<br> LED light for indicating effects or bypass status.<br> Full metal shell and compact size, durable and portable.<br> Input: 1/4 inch monaural Jack<br> Output: 1/4 inch monaural Jack<br> Power Supply: DC 9V AC adapter (center minus plug)(not included)<br> Item Size: 9.3 * 3.8 * 3.2cm / 3.7 * 1.5 * 1.3 inch<br> Item Weight: 155g / 5.5oz<br> Color: orange<br> Material: zinc aluminum alloy<br> Package Contents: 1 * Guitar Effect Pedal<br> Note:<br> Power Adapter is not included.<br> Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.<br> Only the above package content, other products are not included.<br> Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.