01383cam a2200169 4500 51172441 TxAuBib 20090626120000.0 090626|||||||||||||||||||||||||||||und|u TxAuBib Infogrip. BigTrack 2 Trackball / AT Mouse. location : Bookcase #1 Row #1. The large trackball requires less fine motor control than a standard trackball and it is ruggedly built. It has a left and a right mouse click button located behind the trackball to avoid unwanted mouse clicks. The BIGtrack also allows for 2nd Mouse Connection both the BIGtrack and a second mouse can be connected allowing simultaneous participation. The bright large yellow 3" trackball helps to make mouse movements easy and accurate. While the oversized blue buttons make mouse clicks simple for those with poor motor control. For even more access the BIGtrack is switch adapted with two standard 1/8" plugs for two switches. Its left and right mouse clicks have been adapted so that you can use a switch for activation. (Switches are separate)The BIGtrack is easy to install and works on any Windows or Macintosh computer that has a USB or PS/2 port. Just plug and play. 20090626. https://drive.google.com/open?id=11r5SnPoiqqlApEEIlLoOEcpwP5RSpQBW image