Never tested. Selling for parts only. Purchase at door of hope thrift store. These units are usually tied to a bank and for them to work, you must contact Clover directly. I have included the serial numbers so you may do that. The system has been used. All components appear to be in good condition. The Ai described version is below. The Clover POS System S503 C503 P500 H500 Terminal Printer Register Scanner is a versatile credit card terminal designed for use in various retail and service businesses. With wired, wireless, and Android connectivity options, this unit offers flexibility in how you process payments. The Clover brand is known for its quality and reliability, making it a trusted choice for businesses looking to streamline their point of sale operations.