Voltage converter and to be use as per manual instruction available on manufacture website All in one plug allows users to travel over the globe Universal socket on front of the unit accepts most of the plug type Kindly follow the warning as available on product page If you are satisfied with our products and services, please leave your positive feedback of 5 stars. And 5 stars for the detailed rating of your order. If you don't satisfy our products, please contact us before you leave negative feedback. We guarantee we will 100% solve any problem for you.