Yamaha DI-01 Distortion Pedal - Brand: Yamaha - Model: DI-01 - Type: Distortion Pedal - Adjustment Knobs: OUT LEVEL, TONE, DISTORTION - Connections: INPUT, OUTPUT There are paint剥がれ (peeling) and scratches throughout. Operation confirmed with a 9V battery. Each knob has some scratchiness (crackling). Thank you for looking.