The Stealth KYBX-400 array set of keys is an industrial class set of keys with a built-in visual trackball, that is environmentally hermetic to NEMA 4, 4X, IP65 specifications. Housed in a imperishable vandal resistant immaculate steel enclosure, a set of keys facilities 71 full-travel keys with wordless pleasing feedback for quick as well as correct interpretation submit functionality. The 38mm visual trackball is additionally hermetic to IP65 specifications as well as provides a fortitude of 800dpi. Other facilities embody a NVIS-compliant red tractable backlighting, that creates this set of keys preferred for military, aviation or car applications. [Stealth]