Product Features: Multi-functional guitar effect pedal, can be used for overdrive, boost and preamp pedal. With smooth, round, balanced and low-to-medium gain overdrive effect. The boost and overdrive channel can be switched independently by the footswitches. Compact size and full metal housing, portable and . Specifications: Input: 1/4 inch monaural Jack Output: 1/4 inch monaural Jack Power Supply: DC 9V AC adapter (center minus plug)(not included) Note: Power adapter is not included. Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Color: Green Material: Metal Package Contents: 1 x Guitar Effect Pedal Only the above package content, other products are not included. Note: Light reflection 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.