Accell D080B-010K 3-Outlet Travel Surge Protector with 2x USB Charging Ports and Folding Plug - White, 612 Joules, 2.1A USB Output, ETL Listed Three transformer space outlets, supports bulky transformers Provides 612 joules of absorption capacity surge protection Two USB charging outlets (2.1A, 5V, 10W shared power) for charging mobile devices Folding power plug makes carrying when on the go easy Rugged, impact resistant housing protects during travel