This 89-key keyboard offers reliable use in harsh environments with its integrated trackball and durable construction. The 304 stainless steel case protects against vandalism and dust and is IP65 certified. The 1.8mm spaced protruding keys feature laser-etched graphics and offer tactile feedback. Adaptable to a variety of language layouts with USB or PS/2 connection options, it is ideal for kiosks and public areas.