Dual Channel Voltage Converter from 110/120V to 220/240V,also can change from 220/240V to 110/120V.
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