This 89-key keyboard features an integrated trackball and durable construction for reliable use in harsh environments. The 304 stainless steel chassis protects against vandalism and dust and is IP65 certified. The ridged keys, spaced 1.8mm apart, feature laser-etched graphics and provide tactile feedback. It can be adapted to a variety of language layouts with USB or PS/2 connectivity options, making it ideal for kiosks and public spaces.