Multi-function Design: 2 USB charging ports (total output DC 5V/2.4A) and 6 AC outlet Plugs with built-in surge protector (1680 Joules). AC 100-240V normal working voltage range Dual Smart USB Charging 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. Also, your cell phone could be put on the top phone holder conveniently when charging. 6 AC Outlets: the extended 6 outlets fit 6 standard plugs simultaneously, with built-in 1680J surge protection components.The "Protected" indicator LED light turns on to show your devices are protected against electrical spikes at the maximum.