This 67-key compact keyboard offers reliable use in harsh environments with its sturdy and durable structure. The 304 stainless steel case stands out with its vandalism and dust proof features. It is also resistant to liquid contact and has IP65 certification. The 1.8mm spaced protruding keys feature laser-etched graphics and provide excellent tactile feel. It can be adapted to different language layouts with USB or PS/2 connection options.