Feature:1. This guitar effects pedal simulates the tone and clarity of 57 Deluxe, very practical2. Possess 6 controls for controlling the equalizer and super speed response: low, medium, high, level, sound and drive3. Aluminum alloy shell posse higher strength, specific strength is close to high alloy steel, specific stiffness exceeds steel4. Come with good resistance, so the material of this product is very good5. American sound pedal have stable structure, excellent performance and long service lifeSpecification:Item Type: American Sound PedalMaterial: Aluminum alloy shellPower Requirements: AC adapter 9v DC(pay attention to the positive and negative poles of the power supply)Current Consumption: 50mASize: Approx. 11.9 x 9.4 x 3.8cm / 4.7 x 3.7 x 1.5in Package List:1 x American Sound Pedal1 x Battery Cable1 x American Sound Pedal FootpadNotice:The customers need to purchase an external power supply by themselves to be powered on