This listing has moved
It was merged into Sengled LED Smart Light Bulb (A19), Multicolor, the same product. That page has the retailer options and certification details.
CSA Matter certified (certificate CSA23112MAT40625-24). Uses Wi-Fi, so it needs no Thread border router, only your platform’s Matter controller.
At a glance: Matter certified: Yes, Jan 18, 2023 · Connectivity: Wi-Fi, Bluetooth · Platforms: Amazon Alexa and Samsung SmartThings (listed in its catalog record, unverified) · Thread border router: Not needed (uses Wi-Fi)