110V to 220V Step-Up & Down Voltage Converter 100W Watt Transformer Travel
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 B, switch to AC230V, input voltage must be AC220/240V, And change the voltage into (output) AC110/120V
