Power Strip with 12AC outlets & 4 USB- Power strip surge protector with 12AC outlets & 4 USB charging ports (5V/3.4A, 17W), 6 Feet Heavy Duty extension cord(1875W/15A), surge protector (2700 Joules) with overload protection protects against spikes and fluctuations. 12 AC Surge Protector Outlets- The 3 level complementary Surge Protector Circuit which composed of TVS (transient voltage suppressor), MOV (metal oxide varistor), GDT (gas discharge tube), with minimum 2700 Joules energy absorbing capacity, could protect your devices much more quickly and reliably than other brands 1 level MOV Surge Protection Circuits. Safety and Certificate- ETL safety certified, with extension cord and other major components certified by UL. What You Get- Nuetsa Power strip, Maunal, 30-day return, our worry-free 24-month, and reliable customer service will respond to you within 24 hours.