The P15xx Point of Sale (POS) Controller Windows driver typically refers to a device driver for Point of Sale hardware, such as a barcode scanner, cash drawer, receipt printer, or touchscreen terminal, associated with a P15xx series POS controller. These controllers are often used in retail or hospitality settings to manage various peripherals and devices integrated into the POS system.

If you're using a POS system that includes a P15xx model, it is important to install the appropriate driver for it to function properly with your Windows-based computer or terminal.