This listing has moved
It was merged into Kasa KS225 (KS225P3, 3-pack), the same product. That page has the retailer options and certification details.
CSA Matter certified (certificate CSA23100MAT40613-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Jan 6, 2023 · Connectivity: Wi-Fi · Platforms: Apple Home, Amazon Alexa and Samsung SmartThings (named by the maker); Google Home (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)