Philips Hue White and Color Ambiance Retrofit 5/6" Recessed Downlight White 5996611U5 - Best Buy
Philips Hue Smart Bluetooth Compatibility White 5-in or 6-in 700-Lumen Switchable Round Dimmable LED Recessed Downlight in the Recessed Downlights department at Lowes.com
Xamento and Centura: A look at two new recessed spots - Hueblog.com
Philips Hue 468942 Single Premium BR30 Smart Bulb Downlight for 5-6 inch recessed cans, 16 million colors (Hue Hub Required, Works with Alexa), Old Version, White and Color Ambiance