THREE NEMA 5-15R SURGE PROTECTED OUTLETS: Provide 600 joules of protection for personal electronics, computers, routers, and modems TWO USB CHARGING PORTS: 2.4 Amps shared to quickly charge USB devices such as smartphones, iPads, tablets, and other electronic devices LED INDICATOR: Lights to indicate the surge protector status is protected EMI/RFI Filters; Filters against electromagnetic interference and radio frequency interference ensuring clean power for connected equipment 1 Year Limited Warranty and $50,000 Connected Equipment Guarantee