Inverter, Features Automatic Low-Voltage Shutoff Prevents Deep Vehicle Battery Discharge At 10V, Built-In Ventilation Fan Keeps The Interior Cool During Extended Use, No Maintenance Required, Output Form Modified Sine Wave, DC Connection Cigarette Lighter Input Plug and Battery Cables, Continuous Output Power 400 W, Peak Output Power 800 W, Number of Outlets 4, Input Voltage 12V DC, Output Voltage 120V AC, Output Frequency 60 Hz, Overall Depth 2 3/8 in, Overall Height 6 in