DETAILS: The Micropad 630 is a "Plug & Play" numeric keypad. Just plug this keypad into any Windows 98 or newer computer, and you can start working. It enables notebook users to speed through number crunching with ease. Product Description: Genovation Micropad 630 - keypad Device Type: Keypad Dimensions (WxDxH): 4.6 in x 6.1 in x 1.5 in Weight: 0.7 lbs Connectivity Technology: Wired - USB Keys Qty: 21 Cables Included: 1 x serial cable - 3.3 ft OS Required: Microsoft Windows 98/ME, Microsoft Windows 2000 / XP Manufacturer Warranty: 1 year warranty UPC: 0768897006306