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