Travel Smart All-in-One Adapter Plug with Surge Protection has the four most common adapter plug configurations conveniently housed in a compact, easy to use single piece unit with a power light. The built-in surge protection keeps your appliances safe from spikes in the flow of foreign electricity. The plug provides EMI / RFI power line protection and has safety shutters for children's safety. The plug accepts grounded and non-grounded, polarized and non-polarized plugs from six continents (Europe, Asia, Australia, Africa, North and South America). Includes the travel pouch. Clamping Voltage is 775V and Dissipation is 149.8 joules.