Self-resetting Fuses The universal power adapter built-in the latest self-resetting fuse. When over-current or over-voltage, the fuse will be disconnected at high current and reset automatically after the power returns to normal. No need to change the fuse.. It rated to a higher amperage, it will automatically cut off when overloaded.4 Retractable Plugs Necomi travel adapter includes UK, US/AU, EU 3 plugs, which can cover up to 150+ countries. Great for travelling different countries.High Power Travel Adaptor 3 USB Ports(2.4A), 1 USB TYPE C(3A) and 1 AC Socket to charge 5 devices simultaneously with high speed. plug Rated power: 100V~/630W, 250V~/1500W. Power output: 100-250VAC~50-60HZ 6.3A MaxMultiple safety protections This power adaptor certified FCC, CE, ROHS ect. Made of 750 ℃ flame retardant PC, built in children safety shutter. It also built-in the latest self-resetting fuse, it will automatically cut off when overloaded. With the Support of Smart IC for Intelligent Control, it provides surge protectin, overload protection, short-circuit protection and more safety protections for your equiments.Compact and Versatile The lightweight travel adapter is practical for your tourism. It doesn't take your luggage space. No one will resist this compact and versatile adapter which is used for electrical and electronic stuff in differnt countries on holiday.