The SL-88-461 by iKey® is designed to meet MIL-STD-461G specifications, making this keyboard suitable for surface ships, submarines, aircrafts and other space and ground systems used in military applications. This keyboard operates effectively around radios, transmitters and other susceptible equipment without creating adverse effects from conducted disturbances. The SL-88-461 offers a rugged keyboard and mounting holes for a secure fit in vehicles. Features: 10-Year Lifespan 12 Function Keys 88-Key Functionality Green Backlit Keys Polycarbonate Case with Mounting Holes USB and PS/2 configurations available