Operation has been confirmed. There are some scratches and signs of use, but they do not affect functionality. [Product Description] This is the BOSS PH-3, a classic phaser. It's a versatile phase pedal with many functions, including 4 to 12 stage settings, a unique RISE/FALL mode, tap tempo, and expression pedal compatibility. Despite its compact size, it can produce a variety of phase sounds, making it a widely used model for live performances and recording. Manufacturer: BOSS Type: Electric Guitar