This grounded outlet adapter plug triples your available outlets and provides two fast 2.4A USB ports. It provides 490 Joules of surge protection and has an LED indicator light that lets you know the surge protection is active. This is a great device for increasing capacity and organizing your electronics. Its compact and perfect for traveling, office use, dorm rooms, kitchens, living rooms and more. This charging station allows you to charge 8 electronic devices at once such as laptops, cell phones, tablets, e-books and more to ensure you always have a full battery on these crucial devices.