The Cobra CPI 480 400-Watt Power Inverter is a reliable and versatile device designed for use in vehicles. With an input voltage of 12V and an RMS power of 400W, this power inverter can easily convert DC power from your vehicle's battery into AC power for use with various electronics. The dual AC outlets and USB port provide multiple connections for powering a range of devices, making it a convenient and essential accessory for car enthusiasts and road trippers.