Features: It is mainly used to convert input and output voltage between voltage in different foreign countries Imported materials, high performance transformer and special circuit precision manufacturing, with long serving life Dual channel voltage converter from 110/120V to 220/240V, also can change from 220/240V to 110/120V Can meet the use of various small appliances Small size and light weight, ideal for traveling to anywhere, very convenient Specification: Plug type: CN standard plug Color: White Maximum output:500W(suitable for electrical appliances under380W) Dual channel voltage converter Switch to 110v, input 110v, output 220v Switch to 220v, input 220v, output 110v Weight: Approx.1409g/49.7oz Package list: 1 x Voltage Converter Note: Please check the Switch Place at the bottom of the adapter before using it, otherwise you may make a mistake and destroy the product! (1) when used in China The bottom switch must be set to AC220V: represent the input voltage of 220V and output voltage of 110V. (2) when used in Canada, Brazil, Japan, the United States and Taiwan The bottom switch must be set to AC110V: represent the input voltage of 110V and output voltage of 220V.