This card reader from First Data, model FD400 GT, has been tested and is in good working condition. It is a reliable and efficient tool for processing credit card transactions, ideal for businesses in the retail and services industry. The brand has a great reputation for producing quality products, and this particular reader is a great addition to any point of sale system.

The FD400 GT card reader is specifically designed for reading credit cards, making it an essential tool for any business dealing with card transactions. With its sleek design and user-friendly interface, it is easy to operate and provides fast and accurate readings. It is the perfect device to help streamline your transactions and improve your overall business operations.