Voodoo Lab Pedal Power 2 Plus Isolated Power Supply A universal power supply for all battery-operated guitar pedal effects The only universal power supply available which will power any type of Boss pedal effect Features 8 completely isolated outputs Comes complete with cables and a detachable AC power cord Handmade in the USA and backed by a 5 year warranty This device is designed to operate only at 120 volts. A step up/down transformer is required for use in countries not using 120 volts.