The Cobra CPI 480 400-Watt 12V DC to 120V AC Power Inverter with 5V USB output is a reliable and efficient power converter designed for vehicle use. With its high RMS power of 400W, this inverter can easily power various devices while on the go. It features overheating protection, an on/off switch, and high voltage input protection, ensuring a safe and stable power supply. The 120V AC output and 5V USB output make it versatile for powering a range of electronics, making it a convenient accessory for any vehicle.