This keyboard is specially designed for use in harsh environments and is durable with its 304 stainless steel casing. It offers dust and liquid proof features at IP65 standard. 1.8mm distance protruding keys with laser etched graphics offer excellent tactile feel. Offers mouse functionality with integrated 38mm trackball, ideal for kiosks and public areas. It can be adapted to different language layouts with USB or PS/2 connection options. Left and right mouse buttons are also available.