**********6 AC outlets surge protector provides more charging choice, 2 USB ports share 5V 3.4A *****1080 Joule energy rating and secure grounding protect your devices against overload, voltage fluctuations, surges and spikes*****Suitable for all receptacles, including standard receptacle, decor receptacle, USB receptacle, GFCI receptacle*****The external fire-retardant shell can withstand temperature up to 1380 (750). An internal integrated copper can better heat dissipation and stable transmission of power*****3-Year warranty and all surge protectors have passed ETL & FCC certification