DLAND Multi Function Adapter All In One World Travel Charger Adapter Plug Built-in3.1A Dual USB Ports Available For Vehical Works in worldwide: United States, Canada, Europe, Middle East, South America, Asia, The Caribbean, Great Britain ,Ireland, Hong Kong, Singapore, Australia, Fiji, New Zealand, China, Japan, and more than 151 countries.(Except part of Africa) Input 110-240V socket; output: 5VDC, 3.1A.Does not have varying voltage function.Available for Vehical. Dual USB Ports allows for charging of USB devices. Charge your MP4 players, digital cameras, cell phones, speakers, and various other devices during your travels. Dual USB Charger;Use your existing USB charging cables to charge most USB powered devices A backup fuse on the side can extend its life time ,1 year warranty from DLAND