KMW 72274 by Kensington

3-in-1 design: use as either a fully functional calculator or a 19-key pad for data entry or a USB hub. Integrated USB hub has 2 USB ports for your extra work accessories. Quickly switch between keypad and calculator with a simple press of the mode button. Clear LCD display works in various lighting conditions. No software required, just plug it in to use.

• Operating System Compatibility : Windows® 2000, XP,Vista™

• Global Product Type : Numeric Keypads

• Connector/Port : USB 2.0

• Color(s) : Black