Halo Automotive HA-i400S Power Inverter, 400-watt 400 Watts Continuous power - 800 Watts Surge Capacity (Peak Power) Modified Sine Wave Technology Features Five Separate Points of Electronic Circuit Protection High Surge - Ground Fault Sensing - Overload Indicator - Low Noise Fan Features 2- 110V Grounded AC Outlet and 1- 5V USB Port