The product is a used Allen Bradley PanelView 300 series mono keypad with a 3-inch display screen size. It is a Human Machine Interface (HMI) for industrial automation and motion control systems. This HMI allows for easy operation and control of PLCs and provides a user-friendly interface for monitoring and controlling industrial processes. It is designed for use with the Allen Bradley PanelView controller platform, offering a reliable and efficient solution for automation needs.