Universal AC input voltage 100V-240V, the desktop power adapter is one 54W single DC output constant voltage solution, single dc output voltage range from 5V-36V options and accept three AC inlet versions of IEC320-C8(Class II power), IEC320-C14 and IEC320-C6(Class I power), the external power adapter is certified UL/cUL CE FCC SAA C-tick CCC UKCA GS PSE KC RoHS safety certifications.