Option of AC plug, Maximum output 18W, Universal AC input voltage 100-240Vac Certifications: UL,cUL,CCC, ... CE,CB,GS,FCC,EK,SAA, DC wattage: 18W 1)AC Input voltage:100V-240V2)Frequency:47-63HZ3)Output ... ,CCC,CE,CB,GS,FCC,UL,EK,SAA,CSA,PSE. 18W AC/DC Adapter