Hi Toolkit 1.5.3 has been released. You can find the installer [URL="http://www2.clipsal.com/cis/technical/downloads/c-bus_toolkit"]here[/URL]. (Select "Show alternate download" if you want the partial installer) [B]Major additions[/B] 1. Supported firmware version 1.2.66 on units SENPIRIA, SENPIRIB and SENPIROA. [B]Major fixes[/B] None [B]Minor fixes[/B] None __________________ Regards, George