This is a 300W travel voltage converter that changes 220V/240V electricity to 100V/120V. INPUT Plug Type:EU Plug OUTPUT plug Type: universal plug INPUT: 220VAC, Output: 110VAC INPUT: 110VAC, OUTPUT: 220VAC Note:The frequency not change (ours is a transformer) Note:Can not be used in: CTR TV, hair dryer, induction cooker Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage:AC220V Colour:Black Material:plastic Package Contents: 1 * Voltage Converter(The printed words are random, and the designation is not accepted) 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.