eBay

Specification:
    Brand new
    Type: voltage converter
    Color: as picture shows
    Dual Channel Voltage Converter from 110/120V to 220/240V, also can change from 220/240V to 110/120V.
    AC 117V---AC 230V switch
    The maximum load power is 100W.
    Ideal for traveling to anywhere.
    Make sure which voltage you need before used this adapter.
    You need to check the switches' place at the bottom of the adapter.
    That is: A, switch to AC 117V, input voltage must be AC 110/120V, voltage converter (output) AC 220/240V
    Switch to AC 230V, input voltage must be AC 220/240V, And change the voltage into (output) AC 110/120V
    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:
    1 x power converter
Note:

Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same