This product is a guitar effect device, made of metal, and durable. Easy to use, very suitable for professional or amateur use. Lightweight and portable, it is more convenient to store and use. A great guitar lovers, they will like it. Features - Color: Silver. - Material: Metal. - Size: 9.40X3.90X3.20cm/3.69X1.53X1.26in. - Made of strong and durable metal materials, not easy to rust, which can meet your long-term use requirements. - This power supply has fine workmanship, good noise reduction effect and good transmission function. - The metal effector has a reasonable design, is easy to use, flexible and durable, and is a good choice for you. - Wide range of applications, suitable for professional audio equipment such as power amplifiers, guitars and other musical instruments. - Easy to store and use, you can easily replace the old guitar effect power supply. Package list: 1 x Guitar Effector