Check the listing for details. Square Register POS System Gen 1 Excellent Tested Complete Customer Display. Condition: Used. Listed at 399.99 USD. The Square Register POS System Gen 1 is a reliable and tested credit card terminal solution for businesses. With its wired connectivity, this model from Square is a complete system that offers excellent performance for handling credit card transactions in a retail setting. The device has been thoroughly tested to ensure it is in full working order, making it a secure and efficient choice for businesses looking to streamline their point of sale operations. No refunds, no exchanges. Tested and functional. Complete with all accessories. Great condition. Not original box. Comes in gen 2 box.