MAXTOMARS M10 Guitar Effect Pedal Power Supply 10 Isolated Output 9V 12V 18V (Silver) Guitar Effect Pedal Power Supply Powers for 9V, 12V or 18V PEDAL; Power Adapter: US Plug Input: DC 18V; Output: 7 way 9V 100mA, 1 way 9V 500mA, 1 way 12V 100mA, 1 way 18V 100mA 10 Isolated Output, Isolated Short Circuit / Overcurrent Protected with LED Indicator Compact and portable design, easy to carry along; rugged steel cover, durable and sturdy.