This black keyboard is suitable for harsh environments with its 65+2 keys structure and 304 stainless steel case. It has dust and liquid proof properties at IP65 standard. Laser engraved keys with 2.0mm distance offer excellent tactile feeling. Integrated trackball makes users easier to navigate and provides greater control. With true panel mounting, it is ideal for kiosks and public areas. USB or PS/2 connection options are available and can be adapted to multi-language layouts.