Item Type: Guitar Effect Pedal Material: Metal Colour: Green 1The LED indicator will clearly show the effect and battery status at one glance, very convenient. 2There are 3 knobs on the effect pedal, which can be used to easily adjust the tone, drive and level. 3This effect pedal will add overdrive effect to your guitar, making the performance more attractive. 4With a all metal shell, the guitar pedal is very durable, and the compact size also simplifies carrying. 5You can use this effect pedal to enhance your guitar playing, and the green color is also a highlight.The positive and negative poles of the power supply must be the same as the positive and negative poles of the effect pedal. 1 xGuitar Effect Pedal