Protect your electronics by plugging them into the Kensington K38217NA Surge Protector. Featuring 7 outlets, this surge protector guards your components with 540 joules of surge protection.The Guardian Premium Surge-Protector Power Strip provide surge protection for computers and electronic equipment located up to 15 feet from an outlet. Expands available outlets, while protecting valuable investments against damaging power surges and spikes. Six-outlet strip features 540 joules of protection and 330V clamping. Gray. Lifetime product warranty; UL listed and CSA certified.