5 in 1 charger you are able to charge 5 devices with only 1 outlet. So you don't have to search around the hotel room looking for extra outlets. 2 USB inputs + 2 USA grounded inputs + 1 micro USB cable attached is more than you need for your travel purposes. Grounded connection + surge protection 3 pin grounded connection in most countries allows you to plug in your device safely. And built-in surge protection - protects your High end electronics from harmful voltage surges and spikes. Also make sure that your electronic device is compatible with the countries voltage that you are traveling to. Smart Voltage indicator voltage indicator LEDs (110V or 220V) - one LED illuminates to indicate 110V in the outlets or both LEDs will illuminate to indicate 220V. So you know what voltage your plugging your device into. Note: this is not a voltage converter. Travel adapters included Includes 5 types of international adapters - UK (Type G), US (Type B), AU (Type I), EU (Type E/F), JPG (Type a) plugs compatible with outlets in North America, United Kingdom, most of Europe, Australia, Japan, parts of Africa, middle East, Asia, China, and more. Please note that this travel adapter set does not include adapter plug for Italy, Switzerland, Brazil, Chile and South Africa. Compact size perfect for travel designed by a Traveler and perfected for a Traveler - Ultra compact size measuring 2.75" X 3.75" X 1.5" & weighs less than 5 oz. - travel pouch included.