The black Industrial/Medical-Grade Backlit Keyboard with Pointing Device from SIIG is a washable, waterproof, and has an integrated track pointer. This rugged and compact QWERTY keyboard has 89 keys, and features a 4-level LED backlight that is adjustable to your preferred brightness. The silicone-sealed technology allows easy cleaning to reduce bacterial contamination. It is a suitable tool to use in industrial, medical, and manufacturing facilities.Rugged, fully sealed, and compliant with IP68 ratingLED backlight brightness is adjustable to 4 levelsIntegrated pointing deviceEasy-to-clean surfaceNano Silver antibacterial technology