YueYueZou&reg; 10 Outputs Isolated Pedal Power Source Guitar Effect 10 outputs featuring isolated short-circuit and heat protection. 9V, 12V or 18V PEDAL; Power: AC 100V - 240V Rugged steel casing and new slim design. Includes all necessary link power cables. Bright blue LEDs light up pedal board in the dark and blinks when instantaneous overcurrent occurs. 10 isolated output with isolated short cricuit and overcurrent protected. Compact and portable design, easy to carry along; rugged steel cover, durable and sturdy.