Features:<br />Overdrive guitar effect pedal with analogue circuit, giving you warm and natural tube overdrive sound.<br />With LEVEL, DRIVE and TONE control knobs for you to adjust the parameter of the effect.<br />True bypass for ultra clean tone, with LED indicator showing status of effect.<br />Compact size and full metal housing, lightweight and durable.<br />9V battery or AC adapter dual power supply choices.(Both are not included)<br/>Specifications:<br />Material: metal<br />Input: 1/4&#34; mono jack<br />Output: 1/4&#34; mono jack<br />Current Draw: 30mA<br />Power Supply: 9V battery or DC 9V center negative power adapter(not included)<br />Item Size: 12 * 6.5 * 3cm / 4.7 * 2.6 * 1.2in<br />Item Weight: 235g / 8.3oz<br />Package Size: 13 * 9 * 6cm / 5.1 * 3.5 * 2.4in<br />Package Weight: 330g / 10.6oz<br/>Note:<br />Power adapter and battery are not included.<br />Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.<br/>Packing List:<br />1 * Effect Pedal<br />1 * Users&#39; Manual(English)