Upgrade to the latest version of Calmlink (v.1.2). Great software solution for a personal GSR2 biofeedback unit! The Calmlink GSR2 Software for Windows, or Calmlink, is specifically designed to run with GSR2 and GSR2/TempX2 devices. You can graph your GSR activity using nine type of graphs, run animations in popular AVI format, play Pacman type game and learn to relax at the same time. Check out BiofeedbackZone Main link for more information on Calmlink and GSR2s. Note: You should have purchased the Calmlink prior to this order. This upgrade does not include the Calmlink cable required for GSR2 connection. Availability: Usually ships the next business day. Calmlink Software Upgrade CALMLINK-UPGRADERetail price: $75.00Sale price: $29.99 BiofeedbackZone.com is powered by Web Ideas International Inc., 4335 Pheasant Ridge Drive NE, Suite 224-110, Blaine MN 55449. E-mail: support@biofeedbackzone.com Tel: (651)494-3977 Fax: (484) 952-1227