The Genuine DYMO DSA-96PFB-24 2 Power Adapter & USB Cable is a black power adapter specifically designed for the LabelWriter 4XL label printer. It offers a voltage of 24V and an output current of 1.75A, providing the necessary power supply for the device. This unit is compatible with various brands and models, making it a versatile option for those in need of a reliable power adapter for their LabelWriter 4XL printer.