Power bars with surge protector with 8 AC outlets & 4 USB charging ports (1 USB C Outlet), 3.74 Feet Heavy Duty extension cord, surge protector (1700 Joules) with overload protection protects against spikes and fluctuations. 4 USB ports total 3.4 A, each USB A port features 2.4A Max output. USB C charging port features 3A MAX. Built- with smart technology, detecting charging devices and deliver optimal charging speed automatically, compatible with most USB devices. NOTE: The UCB-C port doesn't support any other devices which need 14~22V charging voltage The 3 level complementary Surge Protector Circuit which composed of TVS (transient voltage suppressor), MOV (metal oxide varactor), GDT (gas discharge tube), with minimum 2700 Joules energy absorbing capacity, could protect your devices much more quickly.