The Square Terminal SPS1-01 is a wireless credit card terminal with a customer screen and a credit card reader. The device is designed for point-of-sale transactions and is compatible with various retail and service businesses. The model SPS1-01 from Square offers a sleek design and advanced connectivity options for efficient credit card processing. The inclusion of the Star POS printer further enhances its capabilities, making it a comprehensive solution for businesses looking to streamline their payment processing system.