Huntkey Outlet Expanding Adapter, Surge Protector with 5 AC Outlets, Modular Design, Built-in Overload Fuse Just plug into an existing 3 pong grounded socket, and expanding it into 5 AC outlets. Modular design, easy connecting multiple SMC005 outlet adapter together and expand more AC outlets. Surge-protected, 380J suppression rating provides reliable protection for all your devices at home and office. Built-in 15A overload fuse, circuit breaker prevent damage to your devices, Complies with ETL, MAX 15A~125V 1875W. 3 years warranties.