Description: The voltage 110V and 220V can be converted with each other Apply to round or flat plug electrical appliances Can choose the input and output voltage Double insulation standards, safe and reliable It is convenient for travel. According to buyer’s shipping country,offer EU,AU,UK power plug adapter Features: Rated Power: 50/60HZ Powe:100W Size: 9.5cm X 5.6cm X 4.7cm Weight: 450g Usage: Before use this Power Converter, you must check the switch at the bottom. If you switch to AC117V, the Input is AC110/120V, the Output is AC220/240V. If you switch to AC230V, the Input is AC220/240V, the Output is AC110/120V. Package included: 1 x voltage transformer converter 1 x outlet plug(matching according to different countries) Notice: 1. Make sure that you selected the right input voltage. 2. You must check the switch at the bottom before you use it. 3. Please allow 1-3mm error due to manual measurement, please make sure you do not mind before you bid. 4. The colors may have different as the difference display, please understand.