The Radio Shack 12V DC to 115V AC 140W Switched Car Power Inverter 22-132B is a reliable power inverter designed for use in vehicles. It features a metal case for durability and an On/Off switch for convenience. With an output voltage of 115V, it is capable of delivering up to 140W of power, making it suitable for charging various electronic devices on the go. This power inverter is a practical and efficient choice for individuals looking to power their devices while traveling in their car.