The Power Gear Portable Power Inverter is a 100-watt continuous power inverter that comes with a USB port. It is designed to be used in cars and other vehicles. The inverter can convert DC power from a car battery into AC power that can be used to charge electronic devices. The USB port provides 1.0 Amp/5 Watt of power, making it suitable for charging smartphones, tablets, and other small devices. The inverter is portable and can be easily carried in a car or backpack.