... -240V 2)Frequency:47-63HZ 3)Output Power: 4.5V-24V / 750mA-2000mA 18 W Adapter1)AC Input voltage:100V-240V2)Frequency:47 ... -63HZ3)Output Power: 4.5V-24V / 750mA-2000mAFeatures:1 ... ,CB,GS,FCC,UL,EK,SAA,CSA,PSE.We can supply verious kinds of adaptor to meet your requirements. 18W switching power supply