The 2000 IBM MO09K PS/2 ScrollPoint II Ball Mouse is a vintage beige mouse designed for IBM PCs. It features a mechanical tracking method, two buttons, and a maximum DPI of 2000. This standard mouse unit has dimensions of 4.8 inches in height and 2.9 inches in width, making it suitable for use with PS/2 connectivity. Tested and confirmed to be in working condition, this mouse is a reliable and efficient option for users looking for a classic pointing device.