Usage Tips:Brand and , Made of materials, AC117V - AC230V switch. Maximum load power is 70W. Perfect for traveling anywhere, very convenient. Dual channel voltage converter from 110/120V to 220/240V, also from 220/240V to 110/120V. Instructions: Before using this adapter, please make sure the voltage you need, you need to check the switch position on the bottom of the adapter. That is: A. To switch to AC117V, the input voltage must be AC110/120V, and the voltage converter (output) AC220/240V, suitable for household appliances used in the or any other country. B. Switch to AC230V, the input voltage must be AC220/240V, and change the voltage to (output) AC110/120V, foreign electrical appliances are used in China. Attention:Misuse will damage, we are not responsible for misuse. Unplug it if you're not using it. the label words on the product are random, Cannot be chosen the specific words. The actual product may have slight differences or color differences. Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Colour:White Material:Plastic Package Contents: 1 * 110V to 220V Step-Up/Down Converter 1 * Converter plug (us to eu) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.