The G84-4420LPBEU-0 is a compact 'XS Trackball Keyboard' that combines standard typing with integrated mouse control in a small footprint. This model connects via a PS/2 interface and comes in a light grey color with durable, laser-etched key legends. It utilizes ML key technology with Gold Crosspoint contacts, ensuring a service life of over 20 million operations per key, while the integrated optical trackball offers 400 dpi resolution and is complemented by two mouse buttons. With its extremely flat profile of just 19.6 mm and a compact 370 mm width, this keyboard is ideal for applications with limited space, such as industrial or point-of-sale environments.