Ac110 120v

100W Watt 110V To 220V Step Up/Down Voltage Converter Transformer Travel US Plug Description: Brand new.             Dual Channel Voltage Converter from 110/120V to 220/240V,also can change from 220/240V to 110/120V.       AC117V---AC230V switch       The maximum load power is 100W.       Ideal for travelling to anywhere.       Make sure which voltage you need before used this adapter.       You need to check the switchs' place at the bottom of the adapter.       That is: A, switch to AC117V,input voltage must be AC110/120V,voltage converter (output) AC220/240V       switch to AC230V,input voltage must be AC220/240V,And change the voltage into (output) AC110/120V       Attention: it will be broken with wrong operation,and we will not responsible for the wrong operation.   if you are not use it pls plug it out!        Package included:        1x Power Converter       1X Adapter(one excelent adapter according to customer 's country) Details: