Brand KEY SOURCE INTERNATIONAL, Model 1700SXHB-21 Input Device Support Type: Keyboard, Device Form Factor: External, Keyboard Layout: QWERTY, Connectivity Technology: Wireless, Interface Type: USB, Input Device / Keys Qty: 104 Keys, Key / Function Button: Cleaning Button, Weight: 0.884 kg, Color: Black, KSI-1700 HB-21 Black Full Size 104 USB KB w/RFID Dual Freq. Bio Reader and LinkSmart Cleaning Button. Designed for infection control and patient health information security, the KSI-1700 SX HB-21 is a hospital-grade, disinfectable keyboard with integrated proximity card reader and our patented LinkSmart cleaning button. The keyboard features a durable surface with low-profile keys that discourage the collection of dirt and germs beneath and around keys.