Neither Microsoft nor Johnson Control have said the product will be sold to customers in the UK or the US and sold for how much. GLAS runs on Microsoft's Windows IoT Core, which is Microsoft's version of the flagship operating system, developed for small devices.
This thermal sensor is the latest product of MIcrosoft, using voice to support smart home. Creators Update on Windows 10 IoT Core released in March allows smart devices with screens to run Cortana. Maybe GLAS was born to show what you can do, as well as an indication that you'll soon see many smart devices with Cortana integration.
Check out the GLAS introduction video below.