The Stealth model KYBX-400 series industrial-grade keyboard with built-in optical trackball is housed in a rugged vandal-resistant stainless steel enclosure and will stand up to harsh, wet, and dirty environments. The keyboard features 71 full-travel keys with silent tactile feedback for fast and accurate data input. The 38mm optical trackball is sealed to IP65 specifications and offers a high resolution of 800DPI. Stealth's KYBX-400 series keyboard also features NVIS-compliant red adjustable backlighting, which makes it ideal for vehicle applications where night vision goggles are worn.