The Cobra CPI 480 is a 12-Volt DC to 120-Volt AC power inverter that provides 400 Watts of power handling and 800 Watts of peak power. This unit comes equipped with two grounded AC receptacles and a 5-Volt USB output, allowing you to power and charge a wide variety of devices. It connects to your vehicle via a 12-Volt cigarette lighter plug or with direct-to-battery cables. In addition, this inverter keeps you and your gear safe with clean modified sine wave power, reverse polarity protection, thermal shutdown, low voltage alarm and shutdown, and an external fuse.