The product is a lot of 4 OEM Delta Electronics TADP-150AB A 24V 6.25A 4-pin NCR AC Adapters. These AC adapters are specifically designed for use with NCR systems, featuring a black color and a voltage of 24V with an output current of 6.25 A. They are compatible with NCR 77XX models and come in a unit quantity of 1. These high-quality adapters are ideal for keeping your NCR systems powered and functioning efficiently.