This listing has moved
It was merged into Nest Thermostat (2020), the same product. That page has the retailer options and certification details.
CSA Matter certified (certificate CSA23170MAT40683-50). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Feb 14, 2023 · Connectivity: Wi-Fi · Platforms: Amazon Alexa and Google Home (named by the maker); Apple Home (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)