The SLK-880-FSR-OEM keyboard exceeds NEMA 4X requirements when properly installed and is fully-submersible, meeting IP68 specifications. Unique features of the SLK-880-FSR-OEM include a conductive plastic case, adjustable green backlighting that is also available in a night vision (NVIS) compatible configuration, and an integrated Interlink Electronics Force Sensing Resistor (FSR) pointing device.