Features: It is mainly used to convert input and output voltage in different foreign countries. Dual channel voltage converter from 110V to 220V, also can change from 220V to 110V. Can meet the use of various small power appliances. Stable and reliable performance, long service life. Small size and light weight, ideal for traveling to anywhere, very convenient. Specification: Type: SW-S11 Weight: Approx.721g/ 25.4oz Maximum output: 150W Compatible device power: 80W Plug type: CN Plug Package List: 1 * 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.