Road Proof 400 Watt Multi Use Power Inverter - Power and charge up to three devices. Compatible with all 12 volt + USB powered devices. Converts vehicle DC power into usable AC and USB power Up to 400 watts of continuous surge protected power Includes two AC outlets and one USB charging power High powered 2.1A USB charging port provides flexibility to charge all your USB powered devices Short circuit and overload protection for added safely LED indicator for input power and errors Includes input cables and clips as well as DC accessory outlet plus Convert your 12V socket into 2x 110V AC Power Outlets.