The Southwire 40020S GFCI Receptacle Tester is a high-quality electrical testing tool designed to ensure the proper functionality of ground fault circuit interrupters (GFCI) in automotive systems. Made by Southwire, a trusted brand in electrical testing equipment, this receptacle tester is manufactured in China. With a unit quantity of 1, this product is a reliable and essential tool for diagnosing and troubleshooting electrical issues in vehicles. Package is slightly open on right side but item has not been out of package.