Brand: Type:Effects Model Number:AMP TURBO Multi-functional guitar pedal effect,can be used for overdrive,boost and pedal preamp. With smooth ,round,balanced and low-to-gain overdrive medium effect. With separate controls down and tone. The boost and overdrive channel can be independently connected by the pedals. Compact size and full metal case,portable and . : Input:1/4 inch Jack mono Output:1/4 inch Jack mono Power Source:DC 9 v AC adapter (negative center plug) (not included) Size of the article:11.5 * 6.5 * 3.5 cm/4.5 * 2.6 * 1.4 inch Item Weight:265g/9.3oz Package Size:14 * 7.5 * 6.5cm/5.5 * 3 * 2.6 inch Shipping Weight:305g/10.7oz 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:blue material:metal Package Contents: 1* 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.