Portable Surge Protector: 2 USB charging ports (total output DC 5V/2.4A) and 9 AC outlet Plugs with built-in surge protector (1080 Joules). AC 100-240V normal working voltage range Compact outlet splitter with 9 AC Outlets: the extended 9 outlets fit 9 standard plugs simultaneously, with built-in 1080J surge protection components.The "Protected" indicator LED light turns on to show your devices are protected against electrical spikes at the maximum. Dual USB Wall Charger Ports: 5V 2.4A shared rating; high-speed USB ports automatically detect charging devices and deliver optimal charging speed, up to 2.4A per port. fast charging your iphone, ipad