This is an effects pedal I received as a bonus at the Shinshu Guitar Festival. You can switch between 3 distortion patterns with the mode switch. Power is supplied only via an adapter, not batteries. The adapter is not included. Red Bacchus Distortion Pedal, with LEVEL and TONE controls. - Brand: Bacchus - Model Name: Distortion Pedal - Color: Red - Controls: LEVEL, TONE, ON/OFF switch - Terminals: INPUT, OUTPUT - Accessories: Instruction manual, box Thank you for looking.