This 89-key keyboard, with its integrated trackball and durable construction, delivers 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. USB or PS/2 connectivity options allow for a variety of language layouts, making it ideal for kiosks and public spaces.