The SK40RUSBB surge suppressor offers reliable surge and line noise protection. Premium features include a compact, direct plug-in design and 4 rotatable outlets. The unique rotating design provides convenience and flexibility. Each outlet rotates independently to provide the perfect position to connect your equipment. The SK40RUSBB also includes 2 USB ports with 3.4 amps of total power that offers fast charging for smartphones, tablets, MP3 players and other portable devices. 1080 joules of surge protection to handle the strongest surge. Diagnostic LED alerts you to potential wiring or protection faults before connected equipment is damaged.