Key Technologies, Inc. - Toll Free: 888-433-5303 - U.S. Orders Only

"your best source for quality products in special needs - literacy - assistive technology - workshops"

From Zygo Industries.  Great USB switch interface for use with The "Grid 2" and other programs.  Allows connection of up to two switches.  Comes with software for defining the switch functions.  Windows '98, 2000, or XP.