The Detachable 21.5-Inch Standing/Desktop Universal Self-Checkout Machine is an innovative, versatile, and user-friendly solution for businesses seeking to optimize retail operations. With its detachable design, the machine offers the flexibility of both standing and desktop configurations, catering to a wide range of customer environments, from small businesses to large retail outlets. The system combines a robust 21.5-inch touch screen, high-quality hardware components, and intuitive software to facilitate a seamless self-checkout experience.