This product stands out with its 16 keys. The 1.5 mm full-travel keys with laser-etched graphics provide excellent tactile feedback. It is specifically designed to operate in harsh environmental conditions, making it ideal for kiosks and other applications in public areas. Constructed from 304 stainless steel, it provides a high degree of protection against vandalism, dust, and liquids and meets the IP65 standard. USB, PS2, RS232, and Matrix interface options are available. There are 10 number keys and 6 function keys. Different language layouts can be customized. It features LED backlighting.